Epson Adjustment Program: Complete Guide to Download, Use & Fix Service Required Errors

Your Epson printer was working perfectly yesterday. Today, it’s showing a Service Required error or a flashing red light — and it won’t print. This is one of the most frustrating printer problems, and it usually means one thing: the waste ink pad counter has reached its limit.

The tool that can fix this is the Epson Adjustment Program; also known as AdjProg or the Epson Service Tool. In this comprehensive guide, I’ll explain exactly what this software is, where to download it safely, and how to use it step by step. I’ve helped thousands of Epson printer owners fix this exact issue, and I’ll walk you through every step.

Epson Adjustment Program software interface overview
The Epson Adjustment Program (AdjProg) interface — the primary tool for resetting waste ink counters and diagnosing printer errors.

Important Disclosure: The Epson Adjustment Program is third-party software — it is not an official consumer tool distributed by Epson. Using it may void your warranty. I’ll explain all the risks in Section 8.

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What Is the Epson Adjustment Program?

The Epson Adjustment Program (often called AdjProg or the Epson Service Tool) is a software utility designed for Epson service technicians. It provides low-level access to your printer’s internal settings, counters, and EEPROM data.

Think of it like a diagnostic scanner for your car — it can read error codes, reset maintenance counters, and perform adjustments that aren’t available through the normal printer driver or control panel.

The Official Purpose — Service Technician Tool

Here’s the important context: the Epson Adjustment Program was never meant for end-users. It was created for authorized Epson service centres to diagnose and repair printers. That’s why it’s not available on Epson’s official website for consumers.

The copies you’ll find online are leaked or third-party versions of this service tool. Some are genuine leaked copies; others are modified or bundled with additional software. This is why safety and verification are so important — which I’ll cover in detail later.

Key point: The Adjustment Program is not an official consumer tool. Epson does not endorse or support its use by end-users. Use it at your own discretion.

What the Adjustment Program Can Do

The Adjustment Program is a powerful tool. Here are its main functions:

  • Waste ink pad counter reset — This is the most common use. Resets the digital counter that triggers the Service Required error.
  • EEPROM data copy and backup — Saves and restores printer settings stored in EEPROM memory.
  • Head ID input — Records the unique print head ID after a head replacement.
  • Bi‑Directional adjustment — Aligns the print head for optimal print quality.
  • Error code diagnosis — Reads and interprets printer error codes to identify specific faults.
  • Destination setting — Configures region-specific settings.
  • USB ID input — Assigns USB identification values.
  • Ink system initialization — Prepares ink systems after maintenance.

For most home users, the waste ink pad counter reset is the only function you’ll ever need. The other functions are primarily for service technicians working on complex repairs.

What It Cannot Do

It’s equally important to understand the limitations of the Adjustment Program:

  • Does NOT clean the physical waste ink pad — It only resets the digital counter. The physical sponge inside your printer remains saturated if it’s full.
  • Does NOT fix hardware failures — If your print head is physically damaged or a motor is broken, the Adjustment Program won’t help.
  • Does NOT work on all models — Different versions support different printer families. A version for the L3110 may not work on the ET-8550.
  • Does NOT fix paper jams — This is a mechanical issue that you must resolve manually.
  • Does NOT replace missing ink — If your tanks are empty, you need to refill them.

Critical warning: The Adjustment Program resets the counter, not the physical sponge. Multiple resets without replacing the sponge will eventually cause ink leakage and permanent printer damage. I cover this in depth in Section 7.

Do You Actually Need the Epson Adjustment Program? (Diagnose First)

Before you download anything, let’s diagnose the problem. Not every printer error requires the Adjustment Program. Using it unnecessarily wastes your time and, in some cases, could make things worse.

I always tell users: diagnose first, download second. Here’s how to figure out if the Adjustment Program is the right tool for you.

Epson Service Required error message on computer screen
The “Service Required” error — the most common reason users need the Epson Adjustment Program.

Common Symptoms That Require the Adjustment Program

SymptomPossible CauseAdjustment Program Needed?
Service Required error on your computerWaste ink counter full✅ Yes
Red light flashing only (no power light)Waste ink counter full✅ Yes
Power light + red light flashing alternatelyCounter full or hardware fault⚠️ Diagnose first
Paper jam light is onPaper jam or paper feed issue❌ No
All lights flashing simultaneouslyMainboard or sensor issue❌ No (send for repair)
No power at allPower supply issue❌ No
Printing is faded or streakyPrint head clogged❌ No (run head cleaning instead)

Quick check: If your printer is showing Service Required on your computer screen, that’s the clearest sign you need the Adjustment Program. The software error message is more reliable than trying to interpret the lights alone.

When NOT to Use the Adjustment Program

  • Paper jams — Clear the paper path manually. The Adjustment Program has no effect on paper feed mechanisms.
  • Empty or low ink tanks — Refill your ink tanks first. The printer may stop due to low ink, not a waste counter issue.
  • Print head clogs — Run the printer’s built-in head cleaning cycle through the driver or control panel.
  • Mechanical grinding or clicking — These are hardware failure sounds. Disassembly is required; the Adjustment Program won’t help.
  • Communication errors on first use — If you’ve never seen a Service Required error and the printer isn’t detected, it’s a connection or driver problem — see Section 6.
  • Printer is under warranty — Contact Epson support first. Using the Adjustment Program will void your warranty (more on this in Section 8).

How to Check Your Printer’s Error Code

The Adjustment Program itself includes a diagnostic function called “Printer Information Check” that reads error codes directly from your printer. This is one of the most useful features, and it can save you from guessing the problem.

Here’s how to use it:

  1. Open the Adjustment Program and select your model and port.
  2. Click the “Particular adjustment mode” button.
  3. Select “Printer Information Check” from the menu.
  4. The program will read and display your printer’s current status and any error codes.

Common error codes include E-11 (waste ink pad counter full) and various component-specific codes that indicate which part has failed. If you see a code like E-11, the Adjustment Program is exactly what you need.

Epson Adjustment Program: Understanding the Two Modes

The Epson Adjustment Program has two main operating modes; Sequential Adjustment and Particular Adjustment. Most online guides don’t explain this distinction, but it’s important to understand before you start.

Adjustment Program showing Particular adjustment mode selection
Selecting “Particular adjustment mode” gives you direct access to specific functions like the waste ink pad counter.

Also look for the sequential adjustment mode and click on the button as shown in the image below.

Adjustment Program Sequential adjustment mode interface
Sequential Adjustment mode — the guided step-by-step path designed for Epson service technicians.

Sequential Adjustment Mode — The Guided Path

Sequential Adjustment Mode is a guided, step-by-step procedure designed for service technicians. It walks you through a series of checks and adjustments in a specific order.

Key characteristics:

  • Follows a prescribed sequence of steps
  • Guides the technician through each adjustment in the correct order
  • Ensures that prerequisite steps are completed before proceeding
  • More appropriate for complete servicing or after major repairs

For example, after replacing a main board or print head, a service technician would use Sequential Adjustment mode to perform all necessary calibrations and settings in the correct sequence.

Particular Adjustment Mode — The Direct Access

Particular Adjustment Mode gives you direct access to specific individual functions. You don’t have to follow a sequence — you jump straight to the function you need.

Key characteristics:

  • No required order — each function is accessed independently
  • Direct access to specific tasks like waste ink pad counter reset
  • Faster for single repairs
  • Requires you to know which function you need

If you’re a home user with a Service Required error, Particular Adjustment mode is what you’ll use for the waste ink pad counter reset.

Which Mode Should You Use?

FeatureSequential ModeParticular Mode
PurposeFull guided serviceSpecific function access
StepsMultiple, in fixed orderSingle action, any order
Best forComplex repairs, after main board/head replacementWaste ink reset, single adjustments
TimeLonger (5-15 min)Shorter (2-5 min)
Skill level requiredExperienced technicianIntermediate user
Recommended for home users?❌ No✅ Yes

Bottom line: For 99% of home users dealing with a Service Required error, Particular Adjustment mode is the right choice. You don’t need to run the sequential process — just jump directly to the waste ink pad counter reset.

Epson Adjustment Program Download: Safe & Free Options

Now that you understand what the Adjustment Program is and how to use it, let’s talk about downloading it safely. This is where many online guides fail — they give you a link and tell you to run it, with zero regard for your security. I’m not going to do that.

Security Warning: The Epson Adjustment Program is not an official consumer tool. It’s third-party software, and like any .exe file from the internet, it carries some risk. Always scan downloaded files with antivirus software before running them.

Download Details: What to Look For

Here’s what you need to know about the Adjustment Program file:

  • Filename: Usually AdjProg.exe or Adjustment_Program.exe
  • File size: Typically 2–20 MB depending on the version and included model database
  • Version: Common versions include V1.8.2, V1.9.0, and various model-specific builds
  • Supported OS: Windows 7, 8, 8.1, 10, and 11 (both 32‑bit and 64‑bit)
  • Archive password: Many downloadable versions are in ZIP or RAR archives with a password. Common passwords include:
    • “12345” (most common)
    • “adjprogram.com”
    • “epson”
  • Common sources: Tech blogs, printer forums, GitHub repositories, and some software portals

Where to find it: For the safest download experience, look for the Adjustment Program on GitHub or well‑established tech forums where user comments can verify the file’s legitimacy. Avoid sketchy “download” sites with excessive ads.

How to Verify the File Is Safe

This is the step almost every other guide skips. Don’t be the person who blindly runs an unknown .exe. Here’s my step‑by‑step safety verification process:

  1. Scan with Windows Defender — Right‑click the file and select “Scan with Microsoft Defender”.
  2. Upload to VirusTotal — Go to virustotal.com and upload the file for a multi‑engine scan. If more than 3–4 engines flag it, be very cautious.
  3. Check user comments — If you downloaded from a forum or blog, read the comments. Other users will often report if the file is safe or not.
  4. Verify the checksum (advanced) — Some sources provide an MD5 or SHA‑256 hash. Verify this using tools like CertUtil or Get-FileHash in PowerShell.
  5. Test in a sandbox — If you’re really cautious, run the file in a Windows Sandbox or virtual machine first.

About antivirus warnings: Many legitimate Adjustment Program files get flagged by antivirus software because they modify system‑level printer settings. This is often a false positive. However, always verify the file using the steps above before proceeding.

Compatible Printer Models — Complete List

Not all versions of the Adjustment Program work with all Epson printers. Based on the comprehensive database from orpys.com, here is the complete compatibility matrix covering L-series, EcoTank, WorkForce, Expression Home, Artisan, and many more models.

Infographic showing Epson models compatible with Adjustment Program
Compatibility guide — not all Epson models work with the same version of the Adjustment Program. Always check your model before downloading.

Use Ctrl+F (or Cmd+F on Mac) to search for your specific model.

🔍 Epson Printer Compatibility — Full Database

Loading…
0 models found
Type a model name to search…

Pro tip: If you’re unsure whether your specific model is supported, search for “Epson Adjustment Program [your model]” to find discussions from other users with the same printer. This is often the fastest way to confirm compatibility.

Step‑by‑Step Guide — How to Use the Epson Adjustment Program

Now it’s time for the main event — using the Adjustment Program to reset your printer’s waste ink counter. Follow each step carefully, and don’t skip ahead.

Before You Start — What You’ll Need

  • Windows PC (Windows 7 through 11, 32‑bit or 64‑bit)
  • USB A‑to‑B cable (the same cable you use to connect the printer to your computer)
  • The Epson Adjustment Program file (downloaded and extracted)
  • Administrator privileges on your computer
  • Antivirus temporarily paused or the folder added to your exclusion list
  • Your printer turned on and in an error state

Pro tip: Instead of disabling your antivirus globally, create a folder on your desktop called “Epson_AdjProg” and add it to your antivirus exclusion list. Extract the files there. This is much safer than disabling protection entirely.

Step 1 — Download and Extract the Program

1 Download and extract the Adjustment Program

If you haven’t already, download the Adjustment Program from a trusted source using the guidance in Section 4.

  • If the file is in a ZIP or RAR archive, extract it to a folder on your desktop.
  • If the archive asks for a password, try “12345”“adjprogram.com”, or “epson”.
  • After extraction, you should see AdjProg.exe (or similar) in the folder.

Step 2 — Connect Your Printer via USB

2 Connect your printer with a USB cable

Make sure your printer is turned on and connected to your computer via USB.

Important: The Adjustment Program does not support network connections — it only works over USB. If your printer is connected via Wi‑Fi, you’ll need to connect it with a USB cable for this process.

If you have multiple USB ports, use a USB 2.0 port rather than USB 3.0 if possible. Some users report better compatibility with USB 2.0.

Step 3 — Run AdjProg.exe as Administrator

3 Run AdjProg.exe as administrator

Right‑click on AdjProg.exe (or the main executable file) and select “Run as administrator”.

This step is critical: If you don’t run the program as administrator, it won’t be able to access the printer’s internal settings, and the reset will fail.

The program will open and display the main interface.

Step 4 — Select Your Printer Model and Port

4 Select your printer model and USB port

On the main screen, you’ll see two dropdown menus:

  • Model Name: Select your printer model from the dropdown list. If your exact model isn’t listed, try a closely related model or check if there’s a version of the Adjustment Program that specifically supports it.
  • Port: Select the USB port your printer is connected to (usually something like USB001 or USB002). If you’re unsure, try each USB option one by one.
Model and port selection screen in Adjustment Program
Always select the correct printer model and USB port before proceeding with any adjustment.

Step 5 — Choose Particular Adjustment Mode

5 Click “Particular adjustment mode”

Once you’ve selected your model and port, click the “Particular adjustment mode” button (sometimes labelled “Maintenance” or “Adjustment”).

This opens the menu where you can access all the individual service functions.

Step 6 — Select Waste Ink Pad Counter

6 Select “Waste ink pad counter” from the menu

From the list of available functions, select “Waste ink pad counter”. This will take you to the screen that displays your current counter values.

Other functions you might see (but generally shouldn’t touch unless you know what you’re doing) include:

  • EEPROM Data Copy
  • Head ID Input
  • Bi‑D Adjustment
  • Destination Setting
  • Printer Information Check

Important: Stick to the waste ink pad counter function unless you’re a trained technician. Modifying other settings incorrectly can damage your printer or affect print quality.

Step 7 — Check and Initialize the Counter

7 Check the counter, then initialize it

This is the critical step. On the waste ink pad counter screen:

Waste Ink Pad Counter screen with Check and Initialize buttons
The critical screen — click “Check” to read the current counter value, then “Initialize” to reset it to zero.
  1. Make sure “Main pad counter” is ticked/checked.
  2. Click the “Check” button — the program will read the current counter value from your printer.
  3. The current value will appear (e.g., 7000+).
  4. Click the “Initialize” button — this resets the counter to zero.
  5. You’ll see a confirmation message that the reset was successful.

Double‑check: The “Initialize” button may be greyed out until you click “Check” first. And always confirm you’re resetting the Main pad counter — not the platen pad or ink system pad unless you’re absolutely sure.

Step 8 — Restart Your Printer

8 Restart your printer

Close the Adjustment Program, then turn off your printer. Wait about 10 seconds, then turn it back on.

If the reset was successful:

  • The Service Required error should be gone
  • The flashing red light should be off
  • Your printer should print normally

✅ Done! Your printer should be working again. But before you celebrate, I strongly recommend reading the sections below about software vs physical fix and warranty implications — this information is critical for the long‑term health of your printer.

What to Do If the Epson Adjustment Program Isn’t Working

Sometimes the Adjustment Program doesn’t work on the first try. Here are the most common issues and how to fix them.

Communication Error message in Adjustment Program
A “Communication Error” usually means a USB connection or driver issue — the troubleshooting section covers all common fixes.

Communication Error — Causes and Fixes

A “Communication Error” is the most common failure. It means the Adjustment Program can’t talk to your printer.

CauseFix
USB cable not connected properlyReconnect the cable firmly. Try a different USB port.
USB 3.0 port compatibility issueSwitch to a USB 2.0 port if available.
Missing or outdated printer driverInstall or update the driver from Epson’s website.
Program not run as administratorRight‑click AdjProg.exe → “Run as administrator”.
Wrong port selected in the programTry each USB port option in the dropdown.
Antivirus blocking communicationAdd the folder to your antivirus exclusion list.
Printer not in “ready” stateTurn the printer off and on again, then try immediately.
Printer is in a locked error stateTry resetting the printer by turning it off, disconnecting USB, waiting 30 seconds, then reconnecting and powering back on.

Printer Not Detected — Troubleshooting

  • Check Device Manager — Open Device Manager and look under “Printers” or “Universal Serial Bus devices”. If you see a yellow exclamation mark, the driver is missing or corrupted.
  • Reinstall the driver — Download the official driver for your model from Epson’s support page and install it.
  • Try a different USB cable — Not all cables are created equal. A faulty cable can prevent communication.
  • Restart both printer and PC — Sometimes a fresh start is all it takes.
  • Disable and re‑enable the printer — In Windows, go to “Printers & Scanners”, find your Epson model, remove it, then add it again.

Antivirus False Positives — What to Do

As I mentioned earlier, many antivirus programs flag the Adjustment Program as a threat because it modifies system‑level printer settings. Here’s how to handle this:

  1. Don’t panic — A flag doesn’t necessarily mean the file is malware. It’s often a false positive.
  2. Verify the file first — Follow the verification steps in Section 4.2. If VirusTotal shows it’s clean with only a few detections, it’s likely safe.
  3. Add to exclusion list — Instead of disabling your antivirus entirely, add the specific folder containing AdjProg.exe to your antivirus exclusion list.
  4. Temporarily disable only while running — If you must disable your antivirus, only do it temporarily while you run the program, and re‑enable it immediately after.

Never disable your antivirus without verifying the file first. I’ve seen malicious versions of the Adjustment Program circulating online. Always verify the file before you trust it.

Region Locked or Wrong Version

Some versions of the Adjustment Program are region‑locked. This means a version intended for printers sold in one region may not work on printers sold in another.

  • Symptom: The program runs but can’t communicate with the printer, even though you’ve confirmed the USB connection and driver are working.
  • Fix: Look for a version of the Adjustment Program that’s not region‑locked or that’s specifically for your region. Community forums are the best place to find this information.

Also, different firmware versions on the printer may require different Adjustment Program versions. If one version doesn’t work, try a different one.

Software Reset vs Physical Fix: What’s the Difference?

This is one of the most important sections of this guide. The software reset (using the Adjustment Program) and a physical fix (replacing the waste ink pad) are two completely different solutions.

Many users don’t understand the difference, and that’s understandable — most online guides don’t explain it. Here’s the reality:

Saturated waste ink pad removed from printer
A fully saturated waste ink pad — software reset won’t fix this; physical replacement is required.

What the Software Reset Actually Does

The Adjustment Program’s reset function resets the digital counter inside the printer. That’s all it does. It tells the printer “the waste ink pad is empty” — regardless of whether it actually is.

Pros:

  • ✅ Free (if you download the software yourself)
  • ✅ Quick (takes 5‑10 minutes)
  • ✅ No disassembly required
  • ✅ Works immediately

Cons:

  • ❌ Treats the symptom, not the cause
  • ❌ The printer will lock again once the counter fills up
  • ❌ Multiple resets without physical replacement will cause ink leakage

When You Need Physical Pad Replacement

The physical waste ink pad is a large sponge inside the printer that absorbs excess ink. It has a limited capacity. When it’s full, ink can leak out of the printer and damage your desk — or worse, leak inside the printer and damage the electronics.

Signs you need physical replacement:

  • You’ve already reset the counter 2‑3 times
  • You’ve printed 10,000+ pages since the last reset
  • You notice ink stains under the printer or on your desk
  • The error comes back within days or weeks of resetting
  • The printer makes gurgling or dripping sounds

Cost: ~$20‑$50 for a replacement ink pad kit

Time: ~1‑2 hours (requires disassembling the printer)

Difficulty: Moderate — you’ll need basic tools and patience

External Waste Ink Tank Option

There’s a third option: installing an external waste ink tank. This involves disconnecting the internal waste ink tube and routing it into an external container.

External waste ink tank installed on Epson printer
Installing an external waste ink tank is an alternative to physical pad replacement. It allows you to monitor and empty the waste ink without disassembling the printer.

Pros:

  • ✅ Permanent solution to the waste ink problem
  • ✅ You can monitor and empty the tank yourself
  • ✅ No need to replace internal sponges

Cons:

  • ❌ Requires disassembling the printer (moderate difficulty)
  • ❌ You need to route the tube externally (some cosmetic impact)
  • ❌ You must remember to empty the external tank

How many times can you reset before needing physical replacement?

Number of ResetsAction
1st resetUsually safe — the sponge likely has capacity
2nd resetStill manageable, but you’re approaching the limit
3rd resetHigh risk of ink leakage — time to replace the pad or install an external tank
4th+ reset🚨 You’re almost certainly causing ink to leak inside the printer
AspectSoftware ResetPhysical ReplacementExternal Tank
CostFree~$20‑50~$15‑30
Time5‑10 min1‑2 hours45‑90 min
DifficultyEasyModerateModerate
EffectTemporaryPermanentPermanent
RiskLow (software)Medium (disassembly)Medium (disassembly)

Epson Adjustment Program — Risks, Warranty, and Safety

This is the section most online guides completely ignore. I won’t. Here’s the unvarnished truth about the risks, warranty implications, and safety considerations.

Does Using the Adjustment Program Void Your Epson Warranty?

Yes, it can, and probably will. Epson’s warranty explicitly states that using unauthorized third‑party software or opening the printer will void your warranty. The Adjustment Program modifies the printer’s internal counters — this is not an end‑user authorized function.

Critical warning: If your printer is still under warranty, I strongly recommend contacting Epson support before using the Adjustment Program. In many cases, they will repair or replace the printer for free. Using the Adjustment Program on a warranty‑covered printer will be detected by Epson during service, and they can refuse to honor the warranty.

Epson official warranty document highlighting unauthorized software void clause
Third‑party tools like the Adjustment Program may void your Epson warranty. If your printer is still under coverage, consider contacting Epson official support first.

Is the Adjustment Program Safe to Use?

The Adjustment Program itself is generally safe if downloaded from a trusted source. However:

  • Risk 1: Malware — Some versions circulating online contain viruses, adware, or trojans. Always scan the file (see Section 4.2).
  • Risk 2: False positives — The software modifies system‑level settings, so most antivirus programs flag it. This is often a false positive, but verify before trusting.
  • Risk 3: Bricking your printer — If you use the wrong version of the Adjustment Program or select the wrong settings, you can permanently corrupt the printer’s firmware. This is rare but possible.
  • Risk 4: Physical damage — Repeated resets without physical pad replacement will cause ink leakage, which can destroy the printer.
  • Risk 5: Region locking — Using a version intended for a different region may fail or cause compatibility issues.

Best practice: Always use the latest version of the Adjustment Program from a well‑reviewed source. Never download from untrusted sites or unknown users. And always back up your printer settings if the software offers that option.

Official vs Third‑Party — What’s the Difference?

This is a crucial distinction that many users misunderstand:

  • Official Epson version: Only available to authorized service centres. Not available to the public. Comes with full technical support.
  • Third‑party/leaked version: What you find online. May be a genuine leaked copy, a modified version, or even fake/malicious. No support. No guarantee of compatibility or safety.

Important: The versions of the Adjustment Program available online are not official Epson software for consumers. They are third‑party copies of the service tool. Always treat them with caution.

When to Contact Epson Official Support

I’ve helped many users through this process, and I always recommend the official route in certain situations:

  • Your printer is under warranty — contact Epson first
  • You’ve never done a reset before and the printer is relatively new
  • You’re not comfortable with software hacks or technical tools
  • The printer is showing multiple different errors (not just Service Required)
  • You’ve already reset 2‑3 times and the error keeps coming back
  • You see ink leaking from the printer — stop using it immediately

Official Epson support options:

  • Visit Epson Support and enter your printer model
  • Call your local Epson service centre
  • Visit an authorized Epson service provider in your area

Official service costs vary by region, but you can expect to pay around $50‑$150 for a waste ink pad replacement + counter reset at a service centre. Yes, it’s more expensive than DIY, but it comes with a guarantee and no warranty voiding.

Frequently Asked Questions About Epson Adjustment Program

What is the Epson Adjustment Program?

The Epson Adjustment Program (AdjProg) is a service tool originally designed for Epson service technicians. It provides low‑level access to printer settings, counters, and EEPROM data — most commonly used to reset the waste ink pad counter when a Service Required error occurs.

Is the Epson Adjustment Program free?

Yes, the Adjustment Program is available for free online. Some commercial sites may charge for a version or a “key,” but the software itself is free. If a site asks you to pay, look for a different source.

What is the password for the Epson Adjustment Program?

Many downloadable versions of the Adjustment Program are in password‑protected archives. The most common passwords are “12345”“adjprogram.com”, and “epson” (all lowercase, without quotes). If these don’t work, check the download page where you got the file.

Does the Epson Adjustment Program work on Windows 11?

Yes, the Adjustment Program works on Windows 11 (both 32‑bit and 64‑bit) in most cases. You’ll need to run the program as administrator. If you encounter issues, try running it in Windows 8 or Windows 10 compatibility mode.

What is Particular Adjustment mode?

Particular Adjustment mode is one of the two main operating modes of the Adjustment Program. It gives you direct access to specific individual functions — like the waste ink pad counter reset — without having to follow a guided sequence. It’s the mode most home users should use.

What is Sequential Adjustment mode?

Sequential Adjustment mode is the guided, step‑by‑step procedure designed for service technicians. It walks you through a prescribed sequence of adjustments in the correct order. It’s used for full servicing after major repairs like main board or print head replacement.

Which printers are compatible with the Adjustment Program?

The Adjustment Program supports a wide range of Epson models, including L‑series (L130, L220, L310, L360, L365, L3110, L3150, L380, L383, L385, L810, L850), R1390, L1800, L805, ET‑8550, SC‑F570, SC‑T3170, and many older models. Check Section 4.3 for the complete compatibility matrix.

Can I use the Adjustment Program on Mac?

No — the Adjustment Program is Windows‑only. There is no official Mac version. If you’re on a Mac, you’ll need to use a Windows PC or run Windows in a virtual machine (like Parallels or Boot Camp) to use the Adjustment Program.

Why does my antivirus flag the Adjustment Program?

Many antivirus programs flag the Adjustment Program because it modifies system‑level printer settings and accesses internal printer data. This is often a false positive. However, always verify the file using VirusTotal and user reviews before trusting it. See Section 4.2 for detailed verification steps.

What’s the difference between Adjustment Program and WIC Reset Utility?

Both tools reset waste ink counters. The Adjustment Program (AdjProg) is a leaked service tool from Epson — it’s free and includes many service functions. WIC Reset Utility is a commercial alternative that’s simpler to use but costs around $10 per reset. If you’re comfortable with a slightly more technical tool, the Adjustment Program is the best free option.

Epson printer working normally with normal status lights after successful reset
A successful reset means your printer is back in action — but remember, this is a temporary software fix. Plan for a physical pad replacement if you continue heavy printing.

Final Verdict: Should You Use the Epson Adjustment Program?

Axee’s Take

I’ve helped thousands of Epson printer owners through the Service Required error. Here’s my honest verdict on whether you should use the Adjustment Program:

✅ Use the Adjustment Program if:

  • Your printer is out of warranty
  • This is your first or second reset
  • You’re comfortable running software tools and following step‑by‑step instructions
  • You understand that this is a temporary fix and plan to replace the physical pad eventually
  • You’ve verified the file safety using the steps in this guide

❌ Don’t use the Adjustment Program if:

  • Your printer is still under warranty — call Epson instead
  • You’ve already reset 3+ times — you need a physical pad replacement
  • You’re not comfortable with technical tools (no shame — contact a professional)
  • You see ink leaking from the printer — stop using it immediately
  • You’ve downloaded from a sketchy source and can’t verify the file

Bottom line: The Epson Adjustment Program is a great tool for a temporary fix. It’s saved me and thousands of other users from expensive service calls. But it’s not a permanent solution. Always plan for a physical pad replacement or external tank installation if you’re going to keep using the printer for the long term.

If you follow the steps in this guide, you’ll have your printer working again in 10‑15 minutes. Good luck, and feel free to refer back to the FAQ section if you run into issues.

Disclaimer: This article is for informational purposes only. The Epson Adjustment Program is third‑party software. AxeeTech and Axee Davies are not responsible for any damage to your printer, loss of warranty, or other issues that may arise from using this software. Always exercise caution when downloading and running .exe files from the internet.

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