0x43SureColor P900

Epson SureColor P900 Error 0x43: Causes and Fixes

Error code 0x43 on the Epson SureColor P900 series indicates a carriage movement synchronization failure. This state triggers a safety shutdown to prevent damage to the drive motor. Addressing this prompt is essential to regain high-precision printing capabilities.

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Common causes

  • 1Physical obstruction caused by debris in the carriage path.
  • 2Ink residue accumulation on the translucent encoder strip.
  • 3Carriage sensor electronic failure.

Solutions

Carriage Path Inspection

  1. Power off the printer and unplug the power cord.
  2. Open the printer cover and inspect for paper scraps.
  3. Manually ensure the carriage moves smoothly from left to right.
  4. Clean the encoder strip gently with a lint-free cloth.
  5. Restart the device after a short cooling period.

Steps to follow

  1. 1

    Safety Shutdown

    Disconnect the power supply to ensure personal and equipment safety before inspection.

  2. 2

    Mechanical Check

    Check the carriage path for any foreign objects or paper jams preventing free movement.

  3. 3

    Encoder Cleaning

    Gently wipe the encoder strip to ensure the sensor can read the position markers correctly.

Frequently asked questions

It means the printer cannot accurately track the carriage position due to mechanical resistance or a dirty sensor.

Yes, you can manually move the carriage carefully when the power is unplugged.

If cleaning does not resolve the issue, contact an authorized Epson service center for a diagnostic test.