Dell 2135CN, Service Manual

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Chapter 1 Troubleshooting
Version 3 2008.06.13
16
Checking after reseating the PHD UNIT
Reseat the PHD UNIT.
Is the image printed correctly?
End of work. Go to step 17.
17
Checking the Toner Dispenser Motors for function
Does the Toner Dispenser Motors function normally?
Checked by [Digital Output]-[DO-21(Y)/23(M)/25(C)/27(K)]
of [IOT Diag] in [Printer Diag] of diagnosis.
Go to step 22. Go to step 18.
18
Checking the connector for connection
Check the connectors between the PWBA MCU and TNR
(Y/M/C/K) MOT (MOTOR ASSY DISP).
Are P/J18, P/J19, P/J181, P/J182, P/J191 and P/J192
connected correctly?
Go to step 20.
Reconnect the
connector(s) P/
J18, P/J19, P/
J181, P/J182, P/
J191 and/or P/
J192 surly, then
go to step 19.
19 Is the image printed correctly? End of work. Go to step 20.
20
Checking the HARN ASSY TNR MOT for continuity
Disconnect J18 and J19 from the PWBA MCU.
Disconnect J181, J182, J191 and J192 from the TNR (Y/M/
C/K) MOT.
Is each cable of J18 <=> J181 and J182 continuous?
Is each cable of J19 <=> J191 and J192 continuous?
Go to step 21.
Replace the
HARN ASSY TNR
MOT.
21
Checking the power to TNR (Y/M/C/K) MOT (MOTOR
ASSY DISP)
Disconnect J18 and J19 from the PWBA MCU.
Is the voltage across P18-3pin, P18-8pin, P19-4pin and
P19-9pin <= > ground on PWBA MCU, about +24 VDC
when the interlock switch (HARN ASSY INTERLOCK) is
pushed. Replace the
MOTOR ASSY
DISP or FRAME
ASSY MOT.
(Refer to Removal
43/ Replacement
17.)
Replace the
PWBA MCU.
(Refer to Removal
31/ Replacement
29.)
22
Checking the ROS ASSY for connection
Check the connections between the ROS ASSY and PWBA
MCU.
Are P/J40, P/J 41, P/J411 and P/J 412 connected correctly?
Go to step 24.
Reconnect the
connector(s) P/
J40, P/J41, P/J411
and/or P/J412
surely, then go to
step 23.
23 Is the image printed correctly? End of work. Go to step 24.
24
Checking after reseating the PWBA MCU
Reseat the PWBA MCU.
Is the image printed correctly?
End of work. Go to step 25.
25
Checking after reseating the PWBA CONT AIO
Reseat the PWBA CONT AIO.
Is the image printed correctly?
End of work. Go to step 26.
Step Check
Remedy
Yes No