Dell 3130cn - Color Laser Printer, Руководство по обслуживанию

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Chapter 1 Troubleshooting
Version 1 2008.02.15
10
Checking the HARN ASSY C2 MOT for continuity
Disconnect P/J422 from the PWBA OPT FDR.
Disconnect P/J4222 from the DRIVE ASSY OPT FDR.
Is each cable of P/J422 <=> P/J4222 continuous?
Go to step 11.
Replace the
HARN ASSY C2
MOT.
11
Checking the power to DRIVE ASSY OPT FDR
Disconnect the connector of P/J422 on the PWBA OPT
FDR.
Is the voltage across ground <=> J422-6pin on the PWBA
OPT FDR, about +24 VDC when the interlock switch
(HARN ASSY INTERLOCK) is pushed? Replace the
DRIVE ASSY
OPT FDR.
(Refer to Removal
44/Replacement
46)
Go to step 5.
12
Checking the connectors of the PWBA OPT FDR and
PWBA MCU for connection
Check the connections between the PWBA OPT FDR and
PWBA MCU.
Are P/J419, P/J281 and P/J28 connected surely?
Go to step 13.
Reconnect the
connector(s)
P/J419, P/J281
and/or
P/J28 surely.
13
Checking the HARN ASSY FDR UNIT for continuity Dis-
connect P/J419 from the PWBA OPT FDR.
Disconnect P/J281 from the HARN ASSY R SIDE.
Is each cable of P/J419 <=> P/J281 continuous?
Go to step 14.
Replace the
HARN ASSY FDR
UNIT.
14
Checking the HARN ASSY R SIDE for continuity
Disconnect P/J281 from the HARNESS ASSY FDR UNIT.
Disconnect P/J28 from the PWBA MCU.
Is each cable of P/J281 <=> P/J28 continuous?
Go to step 15.
Replace the
HARN ASSY R
SIDE.
15
Checking the power to the PWBA OPT FDR
Disconnect the connector of P/J28 on the PWBA MCU.
Is the voltage across ground <=> J28-4pin/J28-5pin on the
PWBA MCU, about +24 VDC when the interlock switch
(HARN ASSY INTERLOCK) is pushed? Replace the
PWBA OPT FDR.
(Refer to Removal
44/Replacement
46)
Replace the
PWBA MCU.
(Refer to Removal
30/Replacement
14)
Step Check Yes No