Service manual

Symptoms, Causes, and Solutions of Bad Images

M000/M009 4-4 SM

4.2.3 HORIZONTAL BLACK BAND

Description:

Dark or blurry horizontal stripes occur in the printing periodically. (They may not occur

periodically.)

Symptom and Cause Solution

1. Bad contacts of voltage terminals to

print cartridge.

2. The rollers of the print cartridge may be

stained.

Charge roller = 26.7mm

Supply roller = 47.1mm

Develop roller = 35.2mm

Transfer roller = 47mm

1. Clean each voltage terminal of the

Charge, Supply, Develop and Transfer

roller. (Remove the toner particles and

paper particles.)

2. Clean the right Gear that has relatively

small gap of the teeth in the OPC.

3. If the malfunction persists, replace the

print cartridge.

CÓPIA NÃO CONTROLADA