120.10CX735adse

Lexmark CX735adse error 120.10: Registration failure

The Lexmark CX735adse error 120.10 involves the paper registration sensor. This happens when the printer fails to detect the paper's leading edge at the precise moment required for printing. It is frequently caused by incorrect loading or misadjusted guides.

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Common causes

  • 1Loose paper guides.
  • 2Dusty registration rollers.
  • 3Dirty sensor.
  • 4High humidity deforming paper.

Solutions

Quick Diagnosis

If papers exit skewed or the machine stops with 120.10, paper path guidance is faulty.

Step-by-step Solution

  1. Adjust: Set side guides exactly.
  2. Inspect: Check input tray.
  3. Clean: Dust off registration rollers.
  4. Reset: Power off and on.

Prevention and Maintenance

Do not overfill trays. Keep paper dry.

When to Call a Technician

If manual adjustments fail, the sensor requires professional attention.

Device Technical Sheet

  • Technology: Color Laser
  • Speed: 50 ppm
  • Connectivity: LAN, USB
  • Consumable: 735 series
  • Usage: Business
  • Drivers / firmware

Steps to follow

  1. 1

    Adjust guides

    Make sure side guides are set to paper size.

  2. 2

    Inspect area

    Check the fuser entry area for paper scraps.

  3. 3

    Reset

    Power cycle to reset registration sensor.

Frequently asked questions

Indicates paper did not reach registration correctly.

Simple inspection usually resolves it.

Tighten tray guides.

Original Lexmark CX735.