Dell 2135cn Service Manual page 406

Step
Checking the original
2
Is the original color clean?
Checking the PWBA CONT AIO installation
Reseat the PWBA CONT AIO. (Removal 24/Replacement
3
36)
Does the error still occur when copying?
Checking after replacing the PWBA CONT AIO
Replace the PWBA CONT AIO. (Removal 24/Replacement
4
36)
Does the error still occur when copying?
Checking the Horizontal band cross out.
5 Print the contamination check page.
Is the image printed correctly?
Checking the defective parts
Print the [Pitch Configuration Chart] in [Chart Print] in
[Diagnosis] tab of [Tool Box].
6 Check the defective parts by comparing the printed
horizontal band cross out with Pitch Chart. (Refer to
Chapter 4.1.)
Are there any horizontal band cross out matching the chart?
Checking the paper condition
7
Is the paper dry and recommended paper?
8 Is the image printed correctly?
Checking the belt surface of the TRANSFER ASSY
9 Are there any damages on the belt surface of the
TRANSFER ASSY?
Checking the TRANSFER ASSY for connection
Open the COVER ASSY FRONT.
Are four HV terminals on the TRANSFER ASSY, and four
springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or
deformed?
10
Checking the laser beam path
11 Are there any foreign substances between the ROS ASSY
and PHD UNIT?
Version 3 2008.06.13
Check
1 - 378
Chapter 1 Troubleshooting
Remedy
Yes
Change the
Go to step 3.
original.
Go to step 4. End of work.
Replace the IIT
ASSY SUB.
End of work.
(Removal 59/
Replacement 2)
Printing data is
incorrect, then
check the printing
Go to step 6.
data which the
problem
generated.
Replace the
corresponding Go to step 7.
parts
Replace the paper
with a new dry and
Go to step 9. recommended
one, then go to
step 8.
End of work. Go to step 9.
Replace the
TRANSFER
ASSY. (Refer to Go to step 10.
Removal 48/
Replacement 12.)
Clean or replace
the TRANSFER
Go to step 11.
ASSY or
SPRING(s).
Remove the
foreign Go to step 12.
substances.
No