5-34 Phaser 6125/6130 Color Laser Printer Service Manual
Print-Quality Troubleshooting
12 Open and close the Front Cover to
reseat the Transfer Unit.
Is the image printed correctly?
Complete Go to step 13.
13 Replace the Toner Cartridge(s)
(page 8-10).
Is the image printed correctly?
Complete Go to step 14.
14 Replace the Imaging Unit (page 8-8).
Is the image printed correctly?
Complete Go to step 15.
15 Replace the IP Board (page 8-60).
Is the image printed correctly?
Complete Go to step 16.
16 Inspect 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 18. Reconnect the
connectors
securely, then
go to step 17.
17 Is the image printed correctly? Complete Go to step 18.
18 Replace the HVPS Board (page 8-43).
Is the image printed correctly?
Complete Go to step 19.
19 Replace the Laser Unit (page 8-31).
Is the image printed correctly?
Complete Replace the
MCU Board
(page 8-59).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No