Xerox DocuPrint N24 Service Manual page 397

11 Replace the Main Drive Assembly (REP 4.9.1). The Electrical Noise problem is still present.
Y N
|
Problem solved.
12 Replace the Noise Filter PWB (REP 4.10.12). The Electrical Noise problem is still present.
Y N
|
Problem Solved
13 Replace each component listed below, one at a time, until the problem disappears.
Lift Up Motors (REP 4.2.1) / (REP 4.2.2)
Feed Clutches (REP 4.2.3) / (REP 4.2.4)
Laser Assembly (REP 4.6.1)
Offset Unit Assembly (REP 4.8.1)
System Controller PWB (REP 4.10.7)
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7-43 Repair Analysis Procedures (RAP)