![]() So here I found Cause of the problem was dust on the Focus lens & Mirror on the scanner motor inside the scanner unit. Then opened scanner unit cleaned the lens & Mirror.Īfter cleaning process I reassembled the Printer & took the printout this time I got satisfactory Printout. ![]() Opened fuser unit to check the Fuser Heater sleeve seems Ok. Now it required visual inspection by section wise as stated above. So first step I replaced the working toner cartridge and took the print out but same problem that means cartridge is Ok & problem is with some other section in the printer. So re confirming the problem I took self test print out from my PC & got print out as sample photo given above. In this model self-test is possible only when printer is connected to the PC (other Models do have self-Test facility without connected to the PC). But some other factor may also cause like Bad imaging drum in cartridge, Bad Scanner Unit, Dust on scanner Lens, defect ECU Unit, Bad ECU Cables, Bad Fuser Unit and many more reasons are involved. ![]() Most of time this problem is because of Toner Cartridge may run out of the toner ink. Fault Symptom: Some portion of printing is missing from printout.
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