Dell 2130cn Service Manual page 355

Step
Checking the defective parts
Print the [Pitch Configuration Chart] in [Chart Print] in
[Diagnosis] tab of [Tool Box].
2 When the vertical blank lines of periodicity are observed,
check the defective parts by comparing the printed vertical
blank lines with the Pitch Chart. (Refer to Chapter 4.1.)
Are there any vertical blank lines matching the chart?
Checking the paper condition
3
Is the paper dry and recommended paper?
4 Is the image printed correctly?
Checking the foreign substances on the paper transfer path
5 Are there any foreign substances on the paper transfer path
between the TRANSFER ASSY and FUSER ASSY?
6 Is the image printed correctly?
Checking the belt surfaces of the TRANSFER ASSY
7 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?
8
Checking the laser beam path
Are there any foreign substances between the ROS ASSY
and PHD ASSY?
9
Check
1 - 329
Chapter 1 Troubleshooting
Remedy
Yes
Replace the
corresponding Go to step 3.
parts.
Replace the paper
with a new dry and
Go to step 5. recommended
one, then go to
step 4.
End of work. Go to step 5.
Remove the
foreign
Go to step 7.
substances, then
go to step 6.
End of work. Go to step 7.
Replace the
TRANSFER
ASSY. (Refer to Go to step 8.
Removal 21/
Replacement 33.)
Clean or replace
the TRANSFER
Go to step 9.
ASSY or
SPRING(s).
Remove the
foreign Go to step 10.
substances.
No