Dell 2135cn Service Manual page 414

Step
Checking the Platen Glass
Open the ADF and check the Platen Glass.
3
Are there any damages or foreign substances on the Platen
Glass?
Checking the Horizontal stripes.
4 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].
5
Check the defective parts by comparing the printed
horizontal stripes with Pitch Chart. (Refer to Chapter 4.1.)
Are there any horizontal stripes matching the chart?
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?
6
Checking the paper path
7 Are there any contaminations of the toner on the paper
path?
Version 3 2008.06.13
Check
1 - 386
Chapter 1 Troubleshooting
Remedy
Yes
Replace the IIT
ASSY SUB or
remove the
foreign Go to step 5.
substances.
(Removal 59/
Replacement 2)
Printing data is
incorrect, then
check the printing
Go to step 5.
data which the
problem
generated.
Replace the
corresponding
parts
When the result
corresponds to the
[b-12 PHD] of the
pitch chart,
performing the
Go to step 6.
[PHD Refresh
Configuration
Check] of [Chart
Print] in
[Diagnosis] tab of
[Tool Box] may
improve image
quality.
Clean or replace
the TRANSFER
Go to step 7.
ASSY or
SPRING(s).
Clean the paper
Go to step 8.
path.
No