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2-54
Phaser 7700 Color Laser Printer Service Manual
30
04-346
ERROR 30 Accumulator Belt HOME POSITION TOOK TOO
LONG.
Note
If this failure reoccurs three times successively, an Engine NVRAM
value is set preventing further printer use until the NVRAM Access /
Clear Tech Rep Fault / Clear <04-346> is run.
Ensure the Accumulator Belt shipping restraints have been removed.
Enter Service Diagnostics Mode, Service Diagnostics on page 2-35
Run the “Clear Tech Rep Fault” procedure on page 6-149.
Lower the Main Release Lever and return to the upright position to reestablish electrical
connections to the belt.
Open the RH Door and defeat the interlock switch.
Look for rotation of the Accumulator Belt during the following test.
Enter Adjustments / Calibrations menu.
Run the “Belt Edge Learn” test.
Did the Accumulator Belt rotate?
Yes No
Remove the Accumulator Belt Assembly (RRP 35, on page 7-196).
Caution
Removing the Accumulator Belt Assembly allows ambient light
into the print cartridge area. Avoid exposing the print
cartridge drums to light.
Manually rotate clockwise the drive gear of the Accumulator Belt Assembly.
Does it move freely?
Yes No
Inspect the Accumulator Belt Cleaner Waste Auger for packed toner.
Is the area inside the auger relatively clear of toner?
Yes No
Note
It is easy to spill toner in the next step.
Remove the Waste Toner Cartridge.
Run the “Agitator Motor Test.”
Does the Waste Toner Agitator Motor rotate?
Yes No
Measure the voltage at the Engine Control Board J404B-3
(see figure page 2-46).
Does the voltage m24 VDC?
Yes No
Measure the voltage at the Engine Control Board J408-7
(see figure page 2-46).
Does the voltage m24 VDC?
Yes No
Check for +24 VDC at the supply
Troubleshooting the +24 VDC LVPS on page 3-90
Replace the Engine Control Board (RRP 42, on page 7-206).
A
B
C
D
E
Error
Code
Chain /
Link
Front Panel Message
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