Dell 2135cn Service Manual page 210

Checking the printer environment
Check that the printer is in a
room where air conditioner is
operating. If the air conditioner is
not operating, turn it on or move
the printer to a room with an air
conditioner.
Checking the error mode
Does the partial lack occur when
copying?
Yes
Checking the original
Is the original color clean?
Yes
Checking the defective parts
Print the [Pitch Configuration
Chart] of the [Chart Print ] of the
[Diagnosis] tab in [Tool Box].
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?
Yes
Replace the corresponding parts
Version 3 2008.06.13
No
Checking the Partial Deletion.
Print the contamination check
page.
Are parts of images still missing
during printing?
No
Change the original.
No
Checking paper
Check that new dry
recommended paper is being
used and replace as necessary.
Are parts of images still missing
during printing?
Yes
A
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Chapter 1 Troubleshooting
No
Yes
Printing data is incorrect,
then check the printing
data which the problem
generated.
No
END