1 - 79
Chapter 1 Troubleshooting
Epson AcuLaser C2900N
Revision B
Confidential
17
Checking the ACTUATOR REGI ROLL M for shape and
operation.
Remove the CHUTE ASSY LOW (PL3.2.27) once to check
the shape and operation.
Are the shape and operation of the ACTUATOR REGI
ROLL M normal?
Replace the
PWBA MCU.
(Refer to RRP8.9.)
Reseat the
ACTUATOR REGI
ROLL M. If broken
or deformed,
replace it with a
new one.
18
Checking the connectors for connection.
Check the connections between the PWBA MCU and
DRIVE ASSY MAIN (Main Motor).
Are P/J21 and P/J211 connected correctly?
Go to step 19.
Reconnect the
connector(s) P/
J21 and/or P/J211
correctly.
19
Checking the HARNESS ASSY MAIN MOT MG SFP for
continuity.
Disconnect J21 from the PWBA MCU.
Disconnect J211 from the DRIVE ASSY MAIN.
Is each cable of J21 <=> J211 continuous?
Go to step 20.
Replace the
HARNESS ASSY
MAIN MOT MG
SFP.
20
Checking the power to the DRIVE ASSY MAIN.
Disconnect J21 from the PWBA MCU.
Are the voltages across J21-2pin/J21-4pin <=> ground on
the PWBA MCU, about +24 VDC when the interlock switch
(HARN ASSY INTERLOCK) is pushed?
Replace the
DRIVE ASSY
MAIN. (Refer to
RRP7.2.)
Replace the
PWBA MCU.
(Refer to RRP8.9.)
21
Checking the connectors of the SOLENOID FEED
(Cassette Feed Solenoid) for connection.
Check the connections between the PWBA MCU and
SOLENOID FEED.
Are P/J23 and P/J231 connected correctly?
Go to step 22.
Reconnect the
connector(s) P/
J23 and/or P/J231
correctly.
22
Checking the HARN ASSY L SIDE for continuity.
Disconnect J23 from the PWBA MCU.
Disconnect P231 from the SOLENOID FEED.
Is each cable of J23 <=> P231 continuous?
Go to step 23.
Replace the
HARN ASSY L
SIDE.
23
Checking the power to the SOLENOID FEED.
Disconnect J23 from the PWBA MCU.
Is the voltage across P23-1pin <=> ground on the PWBA
MCU, about +24 VDC when the Interlock Switch (HARN
ASSY INTERLOCK) is pushed?
Go to step 24.
Replace the
PWBA MCU.
(Refer to RRP8.9.)
Step
Check
Remedy
Yes
No
Summary of Contents for AcuLaser C2900N
Page 12: ...Confidential CHAPTER 1 Troubleshooting ...
Page 202: ...Confidential CHAPTER 2 Operation of Diagnostic ...
Page 253: ...Confidential CHAPTER 3 Removal and Replacement Procedures ...
Page 497: ...Confidential CHAPTER 4 Plug Jack P J Connector Locations ...
Page 508: ...Confidential CHAPTER 5 Parts List ...
Page 555: ...Confidential CHAPTER 6 Principles of Operation ...
Page 630: ...Confidential CHAPTER 7 Wiring Diagrams and Signal Information ...
Page 660: ...Confidential CHAPTER 8 Product Specifications ...
Page 674: ...8 13 Chapter 8 Product Specifications Epson AcuLaser C2900N Revision B Confidential ...