Adjustment and Troubleshooting
Service Manual
4-59
Samsung Electronics
4.2.5 Toner Cartridge Service
It is not guaranteed for the default caused by using other toner cartridge other than the cartridge supplied by the Samsung
Electronic or caused by non-licensed refill production.
4.2.5.1 Precautions on Safe-keeping of Toner Cartridge
Excessive exposure to direct light more than a few minutes may cause damage to the cartridge.
4.2.5.2 Service for the Life of Toner Cartridge
If the printed image is light due to the life of the toner, you can temporarily improve the print quality by redistributing the
toner(Shake the toner cartridge), however, you should replace the toner cartridge to solve the problem thoroughly.
4.2.5.3 Distinguish function for choice cartridge
• Distinguish function for choice cartridge
An EEP ROM is mounted to a cartridge for distinguishing a choice toner cartridge. Items written in below
are detected by checking up memory information.
If the data of the EEP ROM is broken, it cannot be detected.
1) Detecting existence of a toner cartridge: It detects whether a toner cartridge is mounted or not.
2) Detecting a serial number of a toner cartridge.
3) Detecting a toner cartridge supplying company: If it is not Samsung’s, it is not operated.
4) Detecting an OPC rotating counter: It detects the life span of an OPC drum.
• Distinguish a refilled cartridge. (with eyes)
1) Check whether One-way screw is damaged or not
2) Check the cartridge on configuration sheet(Print out the self-test configuration)
: Manufacture date and serial number of toner cartridge are different(permissible range : +/- 1).
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