Xerox Phaser 6128MFP - Page 369

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