Warning: Disconnect power before servicing.

Epson Printer 0x97 Error Code: Internal Hardware Fault and Fix

Quick Answer

Epson error 0x97 is a mainboard hardware fault. It is most common on WorkForce WF-3640, WF-7720, and similar multi-function models. The error is triggered when ink or moisture reaches capacitor components on the main PCB.

Epson error 0x97 is a mainboard hardware fault. It is most common on WorkForce WF-3640, WF-7720, and similar multi-function models. The error is triggered when ink or moisture reaches capacitor components on the main PCB. Epson has acknowledged this is a widespread issue on affected models. The power drain reset resolves it in many cases: unplug the printer, remove all ink cartridges, hold the Power button for 60 seconds, wait 10 minutes, reinstall cartridges, then plug back in. If the error persists, the mainboard needs replacement ($30-80 used) or the unit may qualify for a free Epson repair under certain service notifications.

EpsonPrinterSeverity: highDifficulty: intermediate50% DIY Success
Time to Fix
15–60 min
Difficulty
intermediate
Parts Cost
$30 – $80
Tools Needed
Phillips screwdriver (if opening chassis for board swap), Anti-static wrist strap (for board replacement)

What Does the 0x97 Code Mean?

Epson 0x97 is a mainboard failure. Try the power drain reset: unplug, remove cartridges, hold Power for 60 seconds, wait 10 minutes, reinstall cartridges, then power on. If it persists, the PCB needs replacement.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Ink contaminating mainboard PCB components40%
Capacitor failure on main circuit board24%
Power supply fault affecting mainboard circuits22%
Corrupted printer firmware causing false hardware fault14%

Symptoms You May Notice

  • 0x97 error displayed on printer screen
  • Printer stops completely and cannot print
  • Error persists after standard power cycle
  • Error appears during printing or during startup
  • Touchscreen frozen on error message

Can you reset a Epson printer to clear the 0x97 code?

Unplug the appliance for 60 seconds, then reconnect power to clear stored error codes.

Tools Required for Diagnosis

Phillips screwdriver (if opening chassis for board swap)Anti-static wrist strap (for board replacement)

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

1

Unplug the printer from the power outlet completely

Unplug the printer from the power outlet completely. Do not just turn it off with the power button.

2

Open the ink cartridge access cover and remove all ink cartridges

3

Hold down the printer's Power button for 60 full seconds while

4

Wait an additional 10 minutes with the printer unplugged and

5

Reinstall all ink cartridges

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name
Epson WF-3640 main circuit board (used/refurbished)2140375 · $30–$80

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs
Labor Approach
Our Verdict
REPLACE
Estimated Cost: $55 (Parts) vs $240 (New Machine)

Frequently Asked Questions

Has Epson acknowledged the 0x97 error issue?
Yes. Epson has issued service notifications acknowledging that certain WorkForce models are prone to 0x97 errors. Some models were eligible for free repair or extended warranty coverage. Check Epson's support site with your model number and serial number to see if your unit qualifies for service program coverage.
Is the 0x97 power drain reset permanent?
Not always. If the root cause is ink contamination on the PCB, the error may return after the board dries out again, or it may not return at all. If 0x97 recurs within a few weeks of a successful power drain reset, the mainboard likely has permanent damage.
Is it worth replacing the mainboard on an Epson WorkForce with 0x97?
Used mainboards for affected models cost $30-80. If your printer is worth more than $100-150 and the rest of the unit is in good condition, board replacement makes economic sense. If the printer is older than 3-4 years and a replacement unit costs $100-150, consider replacement instead.
Does 0x97 affect EcoTank models?
Error 0x97 is primarily reported on WorkForce inkjet models (WF series). EcoTank models can experience mainboard faults but 0x97 specifically appears most frequently on WF-3640, WF-7720, and similar WorkForce multi-function printers.
Can a firmware update fix Epson 0x97?
In a small number of cases, corrupted firmware has caused false 0x97 errors. Epson's firmware update utility (available from the Epson support site) should be run before concluding the mainboard is physically damaged. If the power drain reset does not help, try updating firmware while the error is temporarily cleared.

Related Epson Printer Error Codes

Models Known to Experience 0x97 Errors

This repair applies to most Epson printers with this error code. Common model numbers include:

WorkForce WF-3640, WorkForce WF-7720, WorkForce WF-3620, WorkForce WF-7210

Last verified for technical accuracy on March 14, 2026