31.02CS622de Pro

Error 31.02 Lexmark CS622de Pro: Solution

The Lexmark CS622de Pro error 31.02 indicates a fault or improper seating of the imaging unit or photoconductor. This prevents the printer from starting the transfer process to avoid print defects or internal contamination.

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Common causes

  • 1Imaging unit not seated correctly.
  • 2End-of-life drum module.
  • 3Communication chip error.
  • 4Physical obstruction in the module bay.

Solutions

Quick Diagnosis

If you see error 31.02, it means the printer cannot verify the imaging unit component. Look at the display to check if a specific color unit is identified.

Step-by-Step Solution

  1. Open the front cover.
  2. Remove the imaging unit assembly.
  3. Check for any protective tape or debris on the unit.
  4. Clean the contact points on the printer base and the imaging unit.
  5. Reseat the unit firmly and close the door.

Prevention and Maintenance

Ensure the unit is changed exactly according to the machine's warning signals. Do not leave the drum surface exposed to light.

When to Call a Technician

If a brand-new original imaging unit still triggers 31.02, there may be a defect in the internal connector pins.

Device Technical Data

  • Technology: Color Laser
  • Speed: 40 ppm
  • Connectivity: Ethernet, USB
  • Compatible Consumable: 62D Series
  • Feed Capacity: 650 sheets
  • Recommended Use: SMB
  • Official Drivers / Support