Xerox Phaser 6128MFP Service Manual page 355

Phaser 6128MFP Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
6 Perform the Toner Pallet Check:
Service Mode > Test Print> Toner
Pallet Check
Is one or more of the colors faint?
7 Reseat and lock the Toner
Cartridges.
Is the image printed correctly?
8 Check the Transfer Belt high-voltage
connections..
Are the contacts on the Transfer Belt
and springs damaged or dirty?
9 Check the Imaging Unit high-
voltage connections.
Are the contacts on the Imaging
Unit, and springs damaged or dirty?
10 Reseat the Imaging Unit.
Is the image printed correctly?
11 Check the laser windows of the Laser
Unit.
Are the laser windows clean?
12 Check the laser beam path.
Are there any obstructions between
the Laser Unit and Imaging Unit?
13 Perform the Toner Motor test for
each color: Service Mode > Engine
Diag > Motor Test > Yellow/
Magenta/Cyan/Black Toner Motor
Does the Toner Dispenser Motor
function normally?
14 Is the image printed correctly?
15 Reseat all MCU Board connectors.
Is the image printed correctly?
16 Reseat all IP Board connectors.
Is the image printed correctly?
17 Open and close the Front Cover to
reseat the Transfer Belt.
Is the image printed correctly?
18
Replace the Transfer Belt
(page 8-103)
Is the image printed correctly?
Print-Quality Troubleshooting
Yes No
Go to step 7. Check the
original
printing data.
Complete Go to step 8.
Clean or Go to step 9.
replace the
Transfer Belt or
spring(s), then
go to step 9.
Clean or Go to step 10.
replace the
Imaging Unit
or spring(s),
then go to step
10.
Complete Go to step 11.
Go to step 12. Clean with soft
cloth or cotton
swab.
Remove any Go to step 13.
obstructions.
Go to step 15. Replace the
Dispense Assy
(page 8-91),
then go to step
14.
Complete Replace the
MCU Board
(page 8-57).
Complete Go to step 16.
Complete Go to step 17.
Complete Go to step 18.
Complete Go to step 19.
5-9