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Chapter 1 Troubleshooting
Epson AcuLaser C2900N
Revision B
Confidential
30
Checking the connectors of the CLUTCH ASSY DRV (Regi
Clutch) for connection.
Check the connections between the PWBA MCU and
CLUTCH ASSY DRV.
Are P/J26 and P/J262 connected correctly?
Go to step 31.
Reconnect the
connector(s) P/
J26 and/or P/J262
correctly.
31
Checking the HARN ASSY KSNR REGCL for continuity.
Disconnect J26 from the PWBA MCU.
Disconnect P262 from the CLUTCH ASSY DRV.
Is each cable of J26 <=> P262 continuous?
Go to step 32.
Replace the
HARN ASSY
KSNR REGCL.
32
Checking the power to the CLUTCH ASSY DRV.
Disconnect J26 from the PWBA MCU.
Is the voltage across P26-4pin <=> ground on the PWBA
MCU, about +24 VDC when the Interlock Switch (HARN
ASSY INTERLOCK) is pushed?
Go to step 33.
Replace the
PWBA MCU.
(Refer to RRP8.9.)
33
Checking the CLUTCH ASSY DRV for resistance.
Disconnect P/J262 of the CLUTCH ASSY DRV.
Is the resistance across J262-1 and J262-2 approximately
280-ohm?
Replace the
PWBA MCU.
(Refer to RRP8.9.)
Replace the
CLUTCH ASSY
DRV. (Refer to
RRP3.1.)
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 ...