Samsung ML-6050 Service Manual page 51

Error code 1-100
Fault
Partial blank image
Description
Partially blank image appears either periodically or non-periodically.
Check
1. Transfer roller
2. Developer cartridge
Cause
1. The pressure force on the left and right transfer roller springs are not even, the springs are
damaged, the transfer roller is improperly installed, or the transfer roller bushing or holder is
damaged.
2. If a black image prints light or gradually light at intervals of 49 mm, the transfer roller is defective.
3. If there is a partial blank image on left and right side of the page:
1) The life of the transfer roller has expired.
2) Abnormal transfer voltage.
3) The life of the developer has expired.
Solution
1. Replace the defective components.
2. Replace the transfer roller.
3-1. Replace the transfer roller.
3-2. Measure the transfer voltage. If the voltage is abnormal, disassemble the main board and clean
the components stained with toner or paper particles.
3-3. Measure the weight of the developer. If the weight is less than 960 g ±20 g, replace the
developer.
Remark
Others
Samsung Electronics
Troubleshooting
Model ML-xxxx
5-19