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DocuPrint N4525 Network Laser Printer - Service Guide
5
HIGH VOLTAGE POWER SUPPLY
REPLACEMENT
Replace the High Voltage Power Supply Assembly (RRP
1-69).
Are the horizontal band deletions gone?
Problem
solved
Go to step 6
6
The following printer components and areas are
associated with this specific problem. One or more of
these components or areas may have failed partially or
completely. If you cannot isolate this problem using the
steps in this Fault Isolation Procedure, replace each
component or troubleshoot each area listed below, one at
a time, until you isolate and solve the problem.
Laser Print (EP) Cartridge Connector and
Contact Springs (PL 7.2)
Print Engine Controller Board (RRP 1-72)
Input/Output Board (RRP 1-70)
Fuser Assembly.
Table 1-88 Horizontal Band Deletions (cont'd.)
Step
Actions and Questions
Yes
No