Background (Cyan); Background (Magenta); Background (Yellow) - Xerox DocuPrint C55 Service Manual

Defect Name / Description

4. BACKGROUND (CYAN).

5. BACKGROUND (MAGENTA).

6. BACKGROUND (YELLOW).

DocuPrint C55/C55mp/[NC60]
Possible Causes
1. Overtoning
2. No Cyan Bias or constant Cyan Toner
Dispensing.
1. Overtoning
2. No Magenta bias or constant Magenta Toner
Dispensing.
1. Overtoning
2. No Yellow bias or constant Yellow Toner
Dispensing.
2/99
3-5
Corrective Action
1. Refer to ADJ 9.1 step 11 and complete the
procedure if required.
2. Refer to BSD 9.1 and check the Cyan
Developer Bias voltage. If no voltage is present
replace the High Voltage Power Supply If the
voltage is OK check the Cyan Developer Bias
lead CN803-1 for an open If the wiring is OK,
refer to BSD 9.10 and check the Cyan Toner
Solenoid CN115-12 for a short to ground. If no
short is present, replace the color developer
module.
1. Refer to ADJ 9.1 step 11 and complete the
procedure if required.
2. Refer to BSD 9.1 and check the Magenta
Developer Bias voltage. If no voltage is present
replace the High Voltage Power Supply. If the
voltage is OK check the Magenta Developer
Bias lead CN803-3 for an open. If the wiring is
OK, refer to BSD 9.10 and check the Magenta
Toner Solenoid CN115-14 for a short to ground.
If no short is present, replace the color
developer module.
1. Refer to ADJ 9.1 step 11 and complete the
procedure if required.
2. Refer to BSD 9.1 and check the Yellow
Developer Bias voltage. If no voltage is present
replace the High Voltage Power Supply. If the
voltage is OK check the Yellow Developer Bias
lead CN803-5 for an open. If the wiring is OK
refer to BSD 9.10 and check the Yellow Toner
Solenoid CN115-16 for a short to ground. If no
short is present, replace the color developer
module.
IMAGE QUALITY RAPs
IMAGE QUALITY DEFECTS