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Service Manual
Adjustment and Troubleshooting
4-74
4.2.6.3 Standard of guarantee for consumable parts.
Please refer to User's Manual or Instructions on Fax/Printer Consumables SVC manual for the criteria for judging the
quality of consumable parts the standard of guarantee on those parts.
• Spotting a refilled cartridge by eye.
One way security screws are used in the manufacture of the cartridge – check if these are damaged.
4.2.6.4 Error messages in the LCD window related to toner.
This section explains messages on the LCD that are related to the data stored in the EEPROM in the toner cartridge.
4.2.6.4(a) Toner Low
- Explanation: The amount of toner remaining is less than 10%
- Solution: The cartridge is almost empty or life-expired – replace the cartridge.
4.2.6.4(b) Toner Empty
- Explanation: The toner cartridge is empty
- Solution: Replace the cartridge.
4.2.6.4(c) Drum Warning
- Explanation: This message appears when the OPC drum is nearing the end of its life (14,000pages). This means
that the life of the mechanical parts in the cartridge has expired (this is not an indication of toner remaining).
- Solution: After printing about 15,000 pages, in a worst case scenario, the waste toner collector might overflow and it
may cause the system to fail. Also after 15,000 pages the OPC drum surface will be becoming worn and print quality
will degrade, print images will become misty. It is therefore necessary to replace the cartridge even though there may
be toner left in it.
When this message occurs there are approximately 1,000 pages left.
4.2.6.4(d) Replace Drum
- Explanation: The toner cartridge mechanical life is expired.
- Solution: Replace the cartridge.