scanner-errorDCP-8155DN

Brother DCP-8155DN scanner error: Step-by-step fix

The Brother DCP-8155DN scanner error occurs when the scanning module fails to complete its startup cycle or is mechanically blocked. This error prevents both copying and scanning. We guide you through verifying whether the blockage is minor or requires technical intervention.

0 views

Common causes

  • 1Physical blockage of the scan unit.
  • 2Desynchronized scanner motor.
  • 3Damaged internal data ribbon.
  • 4Accumulated dirt on the scanner rail.

Solutions

Quick Diagnosis

A scanner error happens when the light bar cannot move correctly from its standby position.

Step-by-Step Solution

  1. Power off: Disconnect the printer from power.
  2. Verification: Ensure there are no physical obstructions.
  3. Movement: Carefully slide the scanner module by hand to the start position.
  4. Restart: Power on and verify the movement.

Prevention and Maintenance

Clean the glass with a soft antistatic cloth.

When to Call a Technician

If the module does not move when turned on, the scanner motor may be defective.

Equipment Technical Data

Technology: Laser/LED; Speed: 40 ppm; Connectivity: Ethernet; Capacity: 300 sheets; Consumable: TN-750; Usage: Corporate; Drivers: Official Brother support.

Steps to follow

  1. 1

    Disconnection

    Turn off the equipment for safety.

  2. 2

    Inspection

    Look for any object blocking the path.

  3. 3

    Manual movement

    Gently move the unit to the left.

  4. 4

    Restart

    Plug in and power on to test.

Frequently asked questions

It generally happens because the scanner module is blocked or its internal motor failed upon initialization.

You can try moving the scanner manually to its start position, but if it persists, it needs repair.

The scanner is independent of the toner; original consumable usage does not affect this error.

Do not exert pressure on the glass and keep the area free of dust.