01/023-12 8825/8830 PrinterPQ 7, PQ 8Print QualityPQ 7 Blurred Image PQ 8 Deletions (bands)Table 1 Blurred Image Symptom / CheckSymptom/ checkThe image is not clear orsharp.Probable Cause Corrective Action1. Defective/contaminatedImage Module.1A. Ensure the spacing rollersand drum ends are not con-taminated/defective.1B. Clean the LED Array witha lint-free cloth.2. Contamination on Transfer/Detack Corotron2A. Clean or replace asrequired.2B. Perform GP 1, HVPSCheckout Procedure.3. Defective drive gear 3. Check the following drivegears for damage:a. drum drive gearb. developer drive gearc. cleaner drive gear4. Defective registration roller 4. Replace as required ( PL8.2).5. Media transport 5. Check the Media Transportgap ( ADJ 8.4).6. Defective buckle control 6. Replace the buckle switch( PL 8.4).Table 1 Deletions (bands) Symptom / CheckSymptom/ checkDeletion bands or very lowimage density in the print feeddirection.Probable Cause Corrective Action1. Damp media 1A. Refer to BSD 7.1 andBSD 7.3 to check for correctoperation of the Paper heat-ers.1B. Ensure that the Customeris storing the media correctly.2. Corotrons 2A. Clean / replace or repairthe T/DT corotrons ( REP9.9).3. Defective HVPS 3. Perform GP 1, HVPSCheckout Procedure.4. Developer Housing 4A. Ensure that the Devel-oper Housing is latchedsecurely.4B. Check the mag roll forforeign material or contamina-tion. Ensure that there is aneven coating of developermaterial on the mag roll.5. Defective or contaminatedLED Image Bar.5. Check / clean the LEDImage Bar [9-21-5. ( PL 9.3)6. Contaminated EraseLamp.6. Clean with a lint free cloth.7. Media transport 7. Ensure that the gap ( ADJ8.4) is set correctly.8. Heat Roll 8. Check for surface damage.( PL 10.2)9. Defective drum 9. Replace the drum ( REP9.3).
