Dell 2135cn Service Manual page 369

Step
Checking the power to TNR (K) MOT (MOTOR ASSY DISP)
Disconnect J19 from the PWBA MCU.
15 Is the voltage across P19-9pin <= > ground on PWBA MCU,
about +24 VDC when the interlock switch (HARN ASSY
INTERLOCK) is pushed.
Checking after replacing the TONER CARTRIDGE (K)
Replace the TONER CARTRIDGE (K), and check that the
lock key is in the lock position. (Refer to Removal 7/
16
Replacement 53.)
Does the error still occur when the power is turned OFF and
ON?
Checking after replacing the PHD UNIT
Replace the PHD UNIT. (Refer to Removal 3/Replacement
17 57.)
Does the error still occur when the power is turned OFF and
ON?
Checking after reseating the TRANSFER ASSY
Reseat the TRANSFER ASSY.
18
Does the error still occur when the power is turned OFF and
ON?
Version 1 2008.02.01
Check
1 - 341
Chapter 1 Troubleshooting
Remedy
Yes
Replace the
MOTOR ASSY Replace the
DISP or FRAME PWBA MCU.
ASSY MOT. (Refer to Removal
(Refer to Removal 31/ Replacement
43/ Replacement 29.)
17.)
Go to step 17. End of work.
Go to step 18. End of work.
Replace the
TRANSFER
ASSY. (Refer to End of work.
Removal 48/
Replacement 12.)
No