Xerox Phaser 6280 Service Manual page 277

Phaser 6280 Color Laser Printer Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
13 1. Check the detailed error code on the
Control Panel (press the Up and
Down buttons simultaneously).
2. Does code "01" display on the
Control Panel?
14 1. Check the Transfer Unit for correct
installation.
2. Is the Transfer Unit correctly
installed?
Does the error still occur?
15
16 1. Check the toner density. Perform
Gradation Test Print (page 5-13):
Service Mode
Gradation ESS.
2. Compare the density of four colors
toner. Is there dark color on the
print?
Check the Solenoid in the Transfer Unit
17
for operation.
1. Perform the ADC Sensor Solenoid
test (page 4-58):
Engine Diag >
(CTD) Sensor Solenoid.
2. Perform the ADC Sensor LED test
(page 4-59): Service Mode
Engine Diag >
(CTD) Sensor LED.
3. Does the ADC Sensor operate
properly?
1. Check the wiring harness
18
connectors P/J27, P/J272, and P/
J2721 between the MCU Board and
the Transfer Unit.
2. Are the connectors securely
connected?
Check the Front Cover Harness for
19
continuity.
1. Disconnect P/J2721 from the
Transfer Unit and P/J272 from the
Right Side Harness.
2. Check continuity between P/J2721
<=> P/J272.
Yes
Go to step 14.
Go to step 16.
Go to step 16.
Go to step 17.
> Test Print >
Replace the
corresponding
Print Cartridge
(page 8-10).
Service Mode >
Motor Test > ADC
>
Motor Test > ADC
Go to step 19.
Go to step 20.
Error Messages and Codes
No
Go to step 1.
Reseat the
Transfer Unit
(page 8-8).
Go to step 15.
Complete.
Replace the
MCU Board
(page 8-86).
Go to step 18.
Reconnect the
connectors.
Go to step 19.
Replace the
Front Cover
Harness.
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