Xerox Phaser 6180, Service Manual, Page: 312 / 616

4-78 Phaser 6180 Color Laser Printer Service Manual
General Troubleshooting
Electrical Noise
There is a variable pitch sound coming from the printer. Electrical noise can
be either noise in the electrical lines or static in electromagnetic
communications.
Initial Actions
■
Cycle printer power.
■
If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■
HVPS, PL5.1.17
■
Transfer Unit, PL4.1.1
■
Print Cartridge (C/M/Y/K),
PL5.1.18-21
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Check external noise.
1. Are there other electrical appliances
within 3 meters from the printer?
2. Turn the electrical appliances Off or
relocate the printer at least 6 meters away
from other electrical appliances.
3. Does the error still occur?
Go to step 2. Complete.
2 Check the AC ground. Is the AC power
supply outlet wired and grounded
appropriately? Go to step 3. Request the
client to fix
the AC power
supply outlet.
3 Reseat the Print Cartridges and Transfer
Unit. Does the electrical noise still occur? Go to step 4. Complete.
4 Check the Print Cartridges for stains or
debris. Are the Print Cartridges dirty? Clean the
Print
Cartridges. Reseat the
HVPS.