Rap 7.7 Clear Area A / Reset Env/Bypass (C9-3) - Xerox DocuPrint N24 Service Manual

RAP 7.7 Clear Area A / Reset Env/Bypass (C9-3)

1 Inspect the paper that is loaded in the MBF. The paper loaded in the MBF is smooth (not
wrinkled) and undamaged.
Y N
|
Replace the paper with new paper.
2 Inspect the paper path for paper scraps or foreign objects that could cause a paper jam. The
paper path is clear.
Y N
|
Clear the paper path.
3 Run System Controller Test Print (5.5.2.2.2) for Version 1.7X and below or (5.6.2.2.2) for Version
1.8X, feeding from the MBF. Observe the paper in the MBF Tray. The paper is partially fed out of
the MBF Tray.
Y N
|
Go to step 5.
4 Replace the MBF Feed Roll (REP 4.3.3), Nudger Roll (REP 4.3.4), and Pad (REP 4.3.5).
5 Remove the Upper Rear Cover Assembly (REP 4.1.3) so you can observe the Main Drive
Assembly and the MBF Drive Gear Assembly. Enter Diagnostic Mode, 5.4.5 Running a Service
Output Test, Main Motor On/Off to check the MBF Drive Assembly. The Main Drive Assembly
rotates the MBF Drive Gear Assembly.
Y N
|
Replace the MBF Feeder Assembly (REP 4.3.1).
6 Run Diagnostic Mode, 5.4.5 Running a Service Output Test, Feed Clutch Operation (Select MBF/
ENV). The ENV/MBF Feed Clutch energizes.
Y N
|
Check wiring between P/J 403 and P/J 208 (6.3.13) or between P/J 703 and P/J 221 (WIR
8.3.5.1). If OK for MBF, then go to step 7. If OK for ENV, then go to step 8. Replace the
MBF Feed Clutch (REP 4.3.7) or ENV Feed Clutch (PL 8.3.2.3).
7 Enter Diagnostic Mode - 5.4.6 Running a Service Sensor (H/L) Input Test, Regi Sensor Detect.
Insert a sheet of paper into the Registration Sensor and press [4], then remove the sheet of
paper and press [4]. The Control Panel LCD displays H when paper is inserted into the
Registration Sensor, and displays L when the paper is removed.
Y N
|
Replace the Registration Sensor (REP 4.4.2).
8 Measure across P/J 604-7 and FG to verify that +24VDC is present. Voltage measured
Y N
|
Check wiring from P/J 403 to P/J 604 (6.3.13). If OK, replace the Printer Engine Controller
PWB (REP 4.10.6).
9 Measure across P/J 703-2 to FG and verify +24VDC is present. Voltage is measured.
Y N
|
Check wiring between P/J 604 and PJ 700 (WIR 8.3.5.1). If OK, replace Envelope Feed
Clutch (PL 8.3.2.3).
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7-13 Repair Analysis Procedures (RAP)