Dell 2135cn Service Manual page 403

Step
Checking the laser beam path
Are there any foreign substances between the ROS ASSY
and PHD UNIT?
13
Checking the PHD UNIT for connection
Remove the PHD UNIT.
Are five HV terminals on the PHD UNIT, and five springs on
the frame (PL4.1.10 and PL4.1.15 to 18) dirty and/or
deformed?
14
Checking after reseating the PHD UNIT
15 Reseat the PHD UNIT.
Is the image printed correctly?
Checking after reseating the FUSER ASSY
Reseat the FUSER ASSY.
16 Warning: Start the operation after the FUSER ASSY has
cooled down.
Is the image printed correctly?
Checking after reseating the PWBA MCU
17 Reseat the PWBA MCU.
Is the image printed correctly?
Checking after reseating the PWBA ESS
18 Reseat the PWBA ESS.
Is the image printed correctly?
Checking after reseating the TRANSFER ASSY
19 Reseat the TRANSFER ASSY.
Is the image printed correctly?
Version 1 2008.02.01
Check
1 - 375
Chapter 1 Troubleshooting
Remedy
Yes
Remove the
foreign Go to step 14.
substances.
Clean and/or
replace the PHD
Go to step 15.
UNIT or
SPRING(s).
End of work. Go to step 16.
End of work. Go to step 17.
End of work. Go to step 18.
End of work. Go to step 19.
End of work. Go to step 20.
No