Epson C 2900 Manual

1 - 58 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.30  071-100: IOT Tray1 Misfeed JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
CASSETTE ASSY 250 (PL2.1.1)
HOLDER ASSY RETARD (PL2.1.5)
CLUTCH ASSY DRV (PL3.1.1)
SOLENOID FEED MSI (PL3.1.11)
HARN ASSY L SIDE (PL3.1.18)
ROLL ASSY FEED (PL3.2.4)
ACTUATOR REGI ROLL M (PL3.2.8)
ACTUATOR REGI IN (PL3.2.11)
SENSOR PHOTO (PL3.2.13)
DRIVE ASSY MAIN (PL7.1.2)
DRIVE ASSY PH (PL7.1.4)
PWBA MCU (PL8.2.13)
HARNESS ASSY MAIN...

1 - 59 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 10Checking the ROLL ASSY FEED for shape and rotation.
Pull the Tray 1 out from the printer.
Is the ROLL ASSY FEED not contaminated and/or 
damaged, and rotated smoothly? Go to step 11. Replace the ROLL 
ASSY FEED.
(Refer to RRP3.5.)
11Checking the Tray 1 Feed Solenoid (SOLENOID FEED 
MSI) for operation.
Does the Tray 1 Feed Solenoid (SOLENOID FEED MSI) 
operate properly?
Check by [Digital Output] - [Tray1 Feed Solenoid] in...

1 - 60 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 18Checking the Regi. Sensor (SENSOR PHOTO) for 
operation.
Does the number on the screen increase by one, when the 
actuator (ACTUATOR REGI IN) is operated?
Remove the CHUTE ASSY LOW (PL3.2.27) once to check 
the operation.
Checked by [Digital Input] - [Regi Sensor] in [IOT Diag] of 
diagnosis.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Go to step 26.
19Checking the connectors for connection.
Check the connections between the...

1 - 61 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 24Checking the power to the SOLENOID FEED MSI.
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 25.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
25Checking the SOLENOID FEED MSI for resistance.
Disconnect P/J231 of the SOLENOID FEED MSI.
Is the resistance across J231-1 and J231-2 about 96 ohm?Replace the...

1 - 62 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 30Checking 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.
31Checking 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...

1 - 63 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.31  072-100: IOT Tray2 Misfeed JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
PWBA MCU (PL8.2.13)
FEEDER ASSY OPT (PL12.1.3)
HARNESS ASSY TRAY MOT (PL12.2.2)
HARNESS ASSY TRAY COMP (PL12.2.20)
PWBA FEED H (PL12.2.1)
SOLENOID FEED MSI (PL12.2.15)
CLUTCH ASSY DRV (PL12.2.6)
MOTOR ASSY SUB (PL12.2.16)
ROLL ASSY FEED (PL12.4.4)
SENSOR PHOTO (PL12.4.13)
CASSETTE ASSY 250 OPT (PL12.5.1)
HOLDER ASSY RETARD (PL12.5.5)...

1 - 64 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 10Checking the ROLL ASSY FEED for shape and rotation
Pull the Tray 2 out from the printer.
Is the ROLL ASSY FEED not contaminated and/or 
damaged, and rotated smoothly?Go to step 11.Replace the ROLL 
ASSY FEED. 
(Refer to 
RRP10.2.)
11Checking the Tray 2 Feed Solenoid (SOLENOID FEED 
MSI) for operation.
Does the Tray 2 Feed Solenoid (SOLENOID FEED MSI) 
operate properly?
Checked by [Digital Output] - [DO-31] in [IOT Diag] of...

1 - 65 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 21Checking 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.
22Checking 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...

1 - 66 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.32  072-101: IOT Feeder 2 JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
CASSETTE ASSY 250 (PL2.1.1)
HOLDER ASSY RETARD (PL2.1.5)
CLUTCH ASSY DRV (PL3.1.1)
SOLENOID FEED MSI (PL3.1.11)
HARN ASSY L SIDE (PL3.1.18)
ROLL ASSY FEED (PL3.2.4)
ACTUATOR REGI ROLL M (PL3.2.8)
ACTUATOR REGI IN (PL3.2.11)
SENSOR PHOTO (PL3.2.13)
DRIVE ASSY MAIN (PL7.1.2)
DRIVE ASSY PH (PL7.1.4)
PWBA MCU (PL8.2.13)
HARNESS ASSY MAIN MOT...

1 - 67 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 9Checking the HOLDER ASSY RETARD on the Tray 1 or 
Tray 2 for shape and rotation.
Pull the Tray 1 or Tray 2 out from the printer.
Is the HOLDER ASSY RETARD not contaminated and/or 
damaged, and rotated smoothly? Go to step 10.Replace the 
HOLDER ASSY 
RETARD. (Refer 
to RRP2.2.)
10Checking the ROLL ASSY FEED for shape and rotation.
Pull the Tray 1 or Tray 2 out from the printer.
Is the ROLL ASSY FEED not contaminated and/or...