Xerox Phaser 6128MFP Service Manual page 369

Phaser 6128MFP Service Manual
Troubleshooting Procedure Table (continued)
Step Actions and Questions
3 Inspect the paper path.
Is there toner contamination on the
paper path?
4 Check the Imaging Unit high-
voltage connections.
Are the contacts on the Imaging
Unit, and springs damaged or dirty?
5 Reseat the Imaging Unit.
Is the image printed correctly?
6 Reseat the Fuser.
Is the image printed correctly?
7 Inspect the Toner Cartridges
Are any of the Toner Cartridges
damaged?
8 Reseat all MCU Board connectors.
Is the image printed correctly?
9 Reseat all IP Board connectors.
Is the image printed correctly?
10 Open and close the Front Cover to
reseat the Transfer Belt.
Is the image printed correctly?
11 Check the connections between the
Laser Unit and MCU Board.
Are P/J40, P/J 41, P/J411 and P/J
412 connected correctly?
12 Is the image printed correctly?
13 Replace the Imaging Unit
(page 8-8).
Is the image printed correctly?
14 Replace the Fuser (page 8-11).
Warning: Start the operation after the Fuser
has cooled down.
Does the error still occur when
printing?
15 Replace the IP Board (page 8-41).
Is the image printed correctly?
16 Replace the Laser Unit (page 8-98).
Is the image printed correctly?
Print-Quality Troubleshooting
Yes No
Clean the Go to step 4.
paper path
(refer to
"Cleaning" on
page 7-2).
Clean and/or Go to step 5.
replace the
Imaging Unit
or spring(s).
Complete Go to step 6.
Complete Go to step 7.
Replace any Go to step 8.
damaged Toner
Cartridges
(page 8-13)
Complete Go to step 9.
Complete Go to step 10.
Complete Go to step 11.
Go to step 14. Reconnect the
connectors
securely, then
go to step 12.
Complete Go to step 13.
Complete Go to step 14.
Complete Go to step 15.
Complete Go to step 16.
Complete Replace the
MCU Board
(page 8-57).
5-23