Dell Color Laser Printer 2130cn, Service Manual

Page: 195 / 900

1 - 169
Chapter 1 Troubleshooting
9
Check the connections between the PWBA LVPS and
PWBA MCU.
Are P/J501 and P/J14 connected correctly?
Go to step 11.
Reconnect the
connector(s) P/
J501 and P/J14
correctly, then go
to step 10.
10
Does the error still occur when the power is turned OFF and
ON?
Go to step 11. End of work.
11
Checking the HARN ASSY LVPS2 for continuity
Disconnect J501 from the PWBA LVPS.
Disconnect J14 from the PWBA MCU.
Is each cable of J501 <=> J14 continuous?
Go to step 12.
Replace the
HARN ASSY
LVPS2.
12
Checking the HARN ASSY MCU HAN for continuity
Disconnect the P/J 530 from the PWBA FAN.
Disconnect the P/J 30 from the PWBA MCU.
Is each cable of P/J 530 <=> P/J 30 continuous?
Go to step 13.
Replace the
HARN ASSY
MCU HAR.
13
Checking the power to the FAN
Disconnect J503 from the PWBA LVPS.
Is the voltage across P503-1pin <=> ground on the PWBA
LVPS, about +24 VDC when the interlock switch (HARN
ASSY INTERLOCK) is pushed?
Replace the FAN.
(Refer to Removal
40/ Replacement
14.)
Go to step 14.
14
Checking after replacing the PWBA FAN
Replace the PWBA FAN. (Refer to Removal 12/
Replacement 42.)
Does the error still occur when the power is turned OFF and
ON?
Go to step 15. End of work.
15
Checking after replacing the PWBA LVPS
Replace the PWBA LVPS. (Refer to Removal 11/
Replacement 43.)
Does the error still occur when the power is turned OFF and
ON? Replace the
PWBA MCU.
(Refer to Removal
43/ Replacement
11.)
End of work.
Step Check
Remedy
Yes No