Dell 2135cn Service Manual page 262

Step
Checking the TNR (C) MOT (MOTOR ASSY DISP) for
rotation
Does the TNR (C) MOT (MOTOR ASSY DISP) function
normally?
5
Checked by [Digital Output]-[DO-25] of [IOT Diag] in [Printer
Diag] of diagnosis.
During this check, cheat the interlock switch (HARN ASSY
INTERLOCK).
Checking the gears of the DISPENSER ASSY for shape
and operation
Are the shape and operation of the gears of the
DISPENSER ASSY normal?
6
Gear
Checking the connector for connection
Check the connectors between the PWBA MCU and TNR
(C) MOT (MOTOR ASSY DISP).
Are P/J19 and P/J191 connected correctly?
7
Does the error still occur when the power is turned OFF and
8
ON?
Checking the HARN ASSY TNR MOT for continuity
Disconnect J19 from the PWBA MCU.
9
Disconnect J191 from the TNR (C) MOT.
Is each cable of J19 <=> J191 continuous?
Checking the power to TNR (C) MOT (MOTOR ASSY DISP)
Disconnect J19 from the PWBA MCU.
10 Is the voltage across P19-4pin <= > ground on PWBA MCU,
about +24 VDC when the interlock switch (HARN ASSY
INTERLOCK) is pushed.
Checking after reseating the PHD UNIT
Reseat the PHD UNIT.
11
Does the error still occur when the power is turned OFF and
ON?
Version 1 2008.02.01
Check
1 - 234
Yes
Go to step 6.
Go to step 11.
Mnt01018KA
Go to step 9.
Go to step 9.
Go to step 10.
Replace the
MOTOR ASSY
DISP or FRAME
ASSY MOT.
(Refer to Removal
43/ Replacement
17.)
Go to step 12.
Chapter 1 Troubleshooting
Remedy
No
Go to step 7.
Replace the
defective gear(s)
or DISPENSER
ASSY. (Refer to
Removal 42/
Replacement 18.)
Reconnect the
connector(s) P/
J19 and/or P/J191
surly, then go to
step 8.
End of work.
Replace the
HARN ASSY TNR
MOT.
Replace the
PWBA MCU.
(Refer to Removal
31/ Replacement
29.)
End of work.