Dell 2130cn Service Manual page 363

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Step
Checking the defective parts
Print the [Pitch Configuration Chart] in [Chart Print] in
[Diagnosis] tab of [Tool Box].
2
When the vertical stripes of periodicity are observed, check
the defective parts by comparing the printed vertical stripes
with the Pitch Chart. (Refer to Chapter 4.1.)
Are there any vertical 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?
3
Checking the PHD ASSY for connection
Remove the PHD ASSY.
Are five HV terminals on the PHD ASSY, and five springs on
the frame (PL4.1.10 and PL4.1.15 to 18) dirty and/or
deformed?
4
Check
1 - 337
Chapter 1 Troubleshooting
Remedy
Yes
Replace the
corresponding
parts.
When the result
corresponds to the
[b-12 PHD] of the
pitch chart,
performing the
Go to step 3.
[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 4.
ASSY or
SPRING(s).
Clean and/or
replace the PHD
Go to step 5.
ASSY or
SPRING(s).
No

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