1 - 65
Chapter 1 Troubleshooting
Epson AcuLaser C2900N
Revision B
Confidential
21
Checking the power to the MOTOR.
Disconnect J422 from the PWBA FEED H.
Are the voltages across J422-6pin <=> ground on the
PWBA FEED H, about +24 VDC when the interlock switch
(HARN ASSY INTERLOCK) is pushed?
Replace the
MOTOR ASSY
SUB.
Replace the
PWBA FEED H.
22
Checking the connectors of the SOLENOID FEED for
connection.
Check the connections between the PWBA FEED H and
SOLENOID FEED.
Are P/J421 and P/J4211 connected correctly?
Go to step 23.
Reconnect the
connector(s) P/
J421 and/or P/
J4211 correctly.
23
Checking the HARNESS ASSY TRAY COMP for continuity.
Disconnect J421 from the PWBA FEED H.
Disconnect P4211 from the SOLENOID FEED.
Is each cable of J421 <=> P4211 continuous?
Go to step 24.
Replace the
HARNESS ASSY
TRAY COMP.
24
Checking the power to the SOLENOID FEED MSI.
Disconnect J421 from the PWBA FEED H.
Is the voltage across P421-1pin <=> ground on the PWBA
FEED H, about +24 VDC when the Interlock Switch (HARN
ASSY INTERLOCK) is pushed?
Go to step 25.
Replace the
PWBA FEED H.
25
Checking the SOLENOID FEED MSI for resistance.
Disconnect P/J4211 of the SOLENOID FEED MSI.
Is the resistance across J4211-1 and J4211-2 approximately
96 ohm?
Replace the
PWBA FEED H.
Replace the
SOLENOID FEED
MSI.
26
Checking the connectors of the Feed Clutch (CLUTCH
ASSY DRV) for connection.
Check the connections between the PWBA FEDD H and
Feed Clutch.
Are P/J420 and P/J4201 connected correctly?
Go to step 27.
Reconnect the
connector(s) P/
J420 and/or P/
J4201 correctly.
27
Checking the HARNESS ASSY TRAY COMP for continuity.
Disconnect J420 from the PWBA FEED H.
Disconnect P4201 from the Feed Clutch.
Is each cable of J420 <=> P4201 continuous?
Go to step 28.
Replace the
HARNESS ASSY
TRAY COMP.
28
Checking the power to the Feed Clutch.
Disconnect J420 from the PWBA FEED H.
Is the voltage across P420-1pin <=> ground on the PWBA
FEED H, about +24 VDC when the Interlock Switch (HARN
ASSY INTERLOCK) is pushed?
Go to step 29.
Replace the
PWBA FEED H.
29
Checking the Feed Clutch for resistance.
Disconnect P/J4201 of the Feed Clutch.
Is the resistance across J4201-1 and J4201-2
approximately 280-ohm?
Replace the
PWBA FEED H.
Replace the Feed
Clutch (CLUTCH
ASSY DRV).
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 ...