Phaser 6500/WorkCentre 6505 Service Manual
Xerox Internal Use Only
4-79
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
1
Check for sources of 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 noise persist?
Go to step 2. Complete
2
Check the AC ground.
Is AC power supply outlet wired and
grounded appropriately?
Go to step 3. Notify the
customer.
3
Check the Transfer Belt HVPS
connections.
Are the four terminals on the Transfer
Belt, and the four springs in the frame
dirty and/or damaged?
Clean or
replace the
Transfer Belt
(page 8-112)
and
contacts.
Go to step 4.
4
Check the Imaging Unit connection
Are the five HVPS terminals on the
Imaging Unit, and five springs in the
frame dirty and/or damaged?
Clean or
replace the
Imaging
Unit
(page 8-7)
and
contacts.
Go to step 5.
5
Reseat the Imaging Unit.
Does the noise persist?
Go to step 6. Complete
6
Reseat the Transfer Belt.
Does the noise persist?
Reseat the
HVPS.
Complete
Содержание Phaser 6500
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