Dell 3130cn Service Manual
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Brand: Dell
Category: Label Maker , Printer
Type: Service manual for Dell 3130cn - Color Laser Printer
Pages: 854
1 - 220
Chapter 1 Troubleshooting
Version 2 2008.03.27
9
Checking the ROLL ASSY SEPARATER, ROLL ASSY
FEED MSI and ROLL ASSY TURN for shape and opera-
tion
Open the MSI.
Are the ROLL ASSY SEPARATER, ROLL ASSY FEED
MSI and ROLL ASSY TURN installed correctly?
Also are they not contaminated and /or damaged, and
rotate smoothly?
Check these ROLLs by turning them with your finger.
Replace the
PWBA MCU.
(Refer to Removal
30/Replacement
14)
Replace the trou-
bled ROLL(s).
10
Checking the connectors of the SENSOR PHOTO (REGI
SENSOR) for connection
Check the connections between the PWBA MCU and
REGI SENSOR.
Are P/J29, P/J292 and P/J2922 connected surely?
Go to step 11.
Reconnect the
connector(s)
P/J29, P/J292
and/or P/J2922
surely.
11
Checking the HARN ASSY REGI SNR for continuity Dis-
connect P/J2922 from the REGI SENSOR.
Disconnect P/J292 from the HARN ASSY R SIDE.
Is each cable of P/J2922 <=> P/J292 continuous?
Go to step 12.
Replace the
HARN ASSY
REGI SNR.
12
Checking the HARN ASSY R SIDE for continuity
Disconnect P/J29 from the PWBA MCU.
Disconnect P/J292 from the HARN ASSY REGI SNR.
Is each cable of P/J29 <=> P/J292 continuous?
Go to step 13.
Replace the
HARN ASSY R
SIDE.
13
Checking the power to REGI SENSOR
Disconnect the connector of P/J29 on the PWBA MCU.
Is the voltage across ground <=> J29-8pin on the PWBA
MCU, about +3.3 VDC?
Go to step 14.
Replace the
PWBA MCU.
(Refer to Removal
30/ Replacement
14.)
14
Checking the REGI SENSOR for operation
Measure the voltage across ground <=> J29-10pin on the
PWBA MCU.
Does the voltage change, every time the actuator of the
REGI SENSOR is operated?
Replace the
PWBA MCU.
(Refer to Removal
30/ Replacement
14.)
Replace the SEN-
SOR PHOTO
(REGI SENSOR).
15
Checking the connectors of the SOLENOID FEED MSI for
connection
Check the connections between the PWBA MCU and
SOLENOID FEED MSI.
Are P/J29 and P/J234 connected surely?
Go to step 16.
Reconnect the
connector(s)
P/J29 and/or
P/J234 surely.
16
Checking the HARN ASSY R SIDE for continuity
Disconnect P/J29 from the PWBA MCU.
Disconnect P/J234 from the SOLENOID FEED MSI.
Is each cable of P/J29 <=> P/J234 continuous?
Go to step 17.
Replace the
HARN ASSY R
SIDE.
17
Checking the power to SOLENOID FEED MSI
Disconnect the connector of P/J29 on the PWBA MCU.
Is the voltage across ground <=> J29-7pin on the PWBA
MCU, about +24 VDC when the interlock switch (HARN
ASSY INTERLOCK) is pushed?
Replace the
SOLENOID
FEED MSI.
(Refer to Removal
15/ Replacement
29.)
Replace the
PWBA MCU.
(Refer to Removal
30/ Replacement
14.)
Step
Check Yes No