Samsung ML-1645

Service Manual
Reference information
7-6
Samsung Electronics
7.5 Parts Life Cycle Maintenance Table
7.5.1 Parts Life Cycle Maintenance Table
7.5.2 Toner Cartridge Criterion
1) Supplies Criterion (Toner Cartridge)
1. Cartridge Main Defects
- White Point, Black Point : White or Black point on printing image
- Image contamination : Dirty printing image
- Image Fainted : Entire Image is fainted and vertical white line emerge
- Black Line : Vertical black line emerge on printing image
2) Defect Symptoms
Supplies Life Cycle Condition Panel LED Custmoer - Responding
Panel Manage
Toner Cartridge1.5K: For ProductToner LowToner LED : Red LED blinking-10% Remains
0.7K: For SaleToner UninstallOnline /Error LED : Red-
Fuser 50,000(page) Thermistor Open Error On line/Error LED : Red Replaced at
(DCU Code : 60) Exhauseted
Low Heat Error On line/Error LED : Red Replaced at
(DCU Code : 62) Exhauseted
Over Heat Error On line/Error LED : Red Replaced at
(DCU Code : 68) Exhauseted
Transer Roller 50,000(page) Exhauseted No Indication Replaced at
Exhauseted
PickUP Roller 50,000(page) Exhauseted No Indication Replaced at
Exhauseted
Symptoms Criterion Remarks
White, Black Point Clean Up OPC (10 times), if disappeared, no failure. System Setup ->
- If continuous, failure Maintenance-> Clean Drum
Image contamination Drity printing image or conteminated reverse side
(Toner leakage) - Clean up OPC (10 times) and inside of machine with cloth, if disappeared, no failure.
Image Fainted After shake cartridge right and left 5~6 times, if printing image is not fainted, no failure.
(Toner Exhausted)
Vertical Black Line Vertical thin line emerge, if cartridge is scratched.
- (Customer fault)