1 - 90
Chapter 1 Troubleshooting
Epson AcuLaser C2900N
Revision B
Confidential
FIP-1.43 077-300: IOT Cover Front Open
Step
Check
Remedy
Yes
No
Possible causative parts:
COVER ASSY FRONT MG (PL1.2.1)
PWBA LVPS (PL8.2.1)
HARN ASSY INTERLOCK (PL8.2.5)
PWBA MCU (PL8.2.13)
HARNESS ASSY LVPS MAIN MG SFP (PL9.1.3)
1
Checking the COVER ASSY FRONT MG (Front Cover) for
shape.
Are there any damages on the COVER ASSY FRONT MG?
Replace the
COVER ASSY
FRONT MG.
(Refer to RRP1.8.)
Go to step 2.
2
Checking the COVER ASSY FRONT MG for latching.
Open and close the COVER ASSY FRONT MG.
Is the COVER ASSY FRONT MG latched correctly?
Go to step 3.
Reseat or replace
the COVER ASSY
FRONT MG.
(Refer to RRP1.8.)
3
Checking the interlock switch for operation.
Does the number on the screen increase by one, when the
COVER ASSY FRONT MG is closed and opened?
Checked by [Digital Input] - [Cover Open Sensor] in [IOT
Diag] of diagnosis.
Replace the
PWBA MCU.
(Refer to RRP8.9.)
Go to step 4.
4
Checking the connectors for connection.
Check the connections between PWBA MCU and PWBA
LVPS.
Are P/J14 and P/J501 connected correctly?
Go to step 6.
Reconnect the
connector(s) P/
J14 and/or P/J501
correctly, then go
to step 5.
5
Does the error still occur when the power is turned OFF and
ON?
Go to step 6.
End of work.
6
Checking the HARNESS ASSY LVPS MAIN MG SFP for
continuity.
Disconnect J14 from the PWBA MCU.
Disconnect J501 from the PWBA LVPS.
Is each cable of J14 <=> J501 continuous?
Go to step 7.
Replace the
HARNESS ASSY
LVPS MAIN MG
SFP.
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 ...