Dell 2135cn Service Manual page 207

Checking the error mode
Does the horizontal line 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.
When the result corresponds to
the [b-12 PHD] of the pitch chart,
performing the [PHD Refresh
Configuration Check] of [Chart
Print] in [Diagnosis] tab of [Tool
Box] may improve image quality.
Version 3 2008.06.13
No
Checking the Horizontal stripes.
Print the contamination check
page.
Does the printout have horizontal
stripes?
No
Change the original.
Period(mm) Replacement Parts
66.7 Fuser
75.4/37.7 PHD ASSY
44.0/37.6 Printer
No
Checking for foreign objects in
the paper transfer path
Remove any foreign objects in
the paper transfer path between
the TRANSFER ASSY and the
FUSER ASSY.
Does the printout still have
horizontal stripes?
Yes
Checking the belt surface of the
TRANSFER ASSY
Are there any damages on the
belt surface of the TRANSFER
ASSY?
Yes
Replace the TRANSFER ASSY.
(Refer to Removal 48/
Replacement 12.)
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Chapter 1 Troubleshooting
No
Yes
Check the print data which
the problem generated.
No
END
No
A