Rap 38 Registration Clutch - Xerox DocuPrint N2025 Service Manual

RAP 38 Registration Clutch

Procedure
Enter Diagnostics and select Component Test. Scroll to Reg. Clutch and press Enter. You
can hear the Registration Clutch energize.
Y N
Switch the printer power off. Remove the Left Side Cover (REP 1.1) and the Print Engine
Controller PWB Cover (REP 8.5). Disconnect P/J22 on the Print Engine Controller PWB.
Measure the resistance between pins 1 and 2 on the disconnected plug. The resistance
is approximately 170 to 185 ohms.
Y N
Remove the Print Cartridge and the MBF Assembly (REP 2.1). Disconnect P/J222
from the Registration Clutch. Check for pin to pin continuity between P22 and P222.
There is continuity between both pins.
Y N
Repair or replace the Registration Clutch Harness as necessary (PL 9.1).
Replace the Registration Clutch (REP 4.3).
Switch the printer power on. Check the voltage between P/J22 pin 1 and frame ground.
The voltage is +24VDC.
Y N
Check the voltage between P/J16 pin 9 and frame ground. The voltage is +24VDC.
Y N
Replace the LVPS (REP 8.6).
Replace the Print Engine Controller PWB (REP 8.5).
Switch the printer power off. Reconnect P/J22. Enter Diagnostics and select Component
Test. Scroll to Reg. Clutch. Measure the voltage between P/J22 pin 2 and frame ground.
Press the Enter key. The voltage drops from +24VDC to 0.0VDC.
Y N
Replace the Print Engine Controller PWB (REP 8.5).
Switch the printer power off. Open the Top Cover and remove the Print Cartridge. With the
Top Cover open, cheat the Top Cover Interlock. Enter Diagnostics and select Component
Test. Scroll to Main Motor and press Enter. Scroll to Reg. Clutch and press Enter. The
Registration Rolls rotate smoothly without stalling or jerking.
Y N
Replace the Registration Clutch (REP 4.3) or Registration Rolls (Metal - REP 4.4)
(Rubber - REP 4.5) as necessary.
Problem Solved.
Switch the printer power off. Open the Top Cover and remove the Print Cartridge. With the Top
Cover open, cheat the Top Cover Interlock. Enter Diagnostics and select Component Test.
Scroll to Main Motor and press Enter. Scroll to Reg. Clutch and press Enter. The
tion Rolls rotate smoothly without stalling or jerking.
Y N
Replace the Registration Clutch (REP 4.3) or Registration Rolls (Metal - REP 4.4) (Rub-
ber - REP 4.5) as necessary.
A
Initial Issue
DocuPrint N2025/N2825
A
Problem Solved.
Registra-
02/2000
2-39
Status Indicator Repair Analysis Procedures
RAP 38