Xerox Phaser 6128MFP - Electrical Noise

4-72 Phaser 6128MFP 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, PL4.1.19
■ Transfer Belt, PL6.1.7
■ Imaging Unit, PL4.1.21
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1Check external noise.
1. Are there other electrical appliances
within 3 meters of the printer?
2. Turn the electrical appliances Off or
relocate the printer at least 6 meters
away from other electrical appliances.
Does the error still occur?
Go to step 2. Complete
2 Check the AC ground
Is AC power supply outlet wired and
grounded appropriately?
Go to step 3. Request the
client to fix
AC power
supply
outlet.
3 1. Open the Front Cover.
2. Inspect the four Transfer Belt HV
connections.
Are the four terminals on the Transfer
Belt, and the four springs on the frame
(PL4.1.11, 12, 13 and 14) dirty and/or
deformed?
Clean or
replace the
Transfer Belt
(page 8-103)
or clean the
spring(s).
Go to step 4.
4 Check the Imaging Unit connection
1. Remove the Imaging Unit.
2. Inspect the five Imaging Unit HV
connections.
Are the five HV terminals on the Imaging
Unit, and five springs on the frame
(PL4.1.10 and PL4.1.15 to 18) dirty and/
or deformed?
Clean and/or
replace the
Imaging
Unit
(page 8-8) or
clean the
spring(s).
Go to step 5.