Epson C 2900 Manual

1 - 78 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 9Checking the HOLDER ASSY RETARD on the Tray 1 for 
shape and rotation.
Pull the Tray 1 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 out from the printer.
Is the ROLL ASSY FEED not contaminated and/or 
damaged, and rotated smoothly?...

1 - 79 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 17Checking 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. 
18Checking the connectors for connection.
Check the connections between the PWBA MCU and 
DRIVE...

1 - 80 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 24Checking the SOLENOID FEED for resistance.
Disconnect P/J231 of the SOLENOID FEED.
Is the resistance across J231-1 and J231-2 about 96 ohm?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Replace the 
SOLENOID FEED 
MSI. (Refer to 
RRP3.3.)
25Checking the connectors of the SENSOR PHOTO (Regi 
Sensor) for connection.
Check the connections between the PWBA MCU and 
SENSOR PHOTO.
Are P/J23 and P/J232 connected correctly?
Go to step...

1 - 81 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.39  077-102 / 077-103 / 077-106: IOT Exit On JAM / IOT Exit On early JAM / IOT 
Stop Reservation 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...

1 - 82 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 9Checking the HOLDER ASSY RETARD on the Tray 1 for 
shape and rotation.
Pull the Tray 1 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 out from the printer.
Is the ROLL ASSY FEED not contaminated and/or 
damaged, and rotated smoothly?...

1 - 83 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 17Checking 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. 
18Checking the connectors for connection.
Check the connections between the PWBA MCU and 
DRIVE...

1 - 84 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 24Checking the SOLENOID FEED for resistance.
Disconnect P/J231 of the SOLENOID FEED.
Is the resistance across J231-1 and J231-2 about 96 ohm?Replace the 
PWBA MCU. 
(Refer to RRP8.9.)Replace the 
SOLENOID FEED 
MSI. (Refer to 
RRP3.3.)
25Checking the connectors of the SENSOR PHOTO (Regi 
Sensor) for connection.
Check the connections between the PWBA MCU and 
SENSOR PHOTO.
Are P/J23 and P/J232 connected correctly?
Go to step...

1 - 85 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.40  077-104 / 077-105: IOT Exit Off JAM / IOT Exit Off early JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
FUSER UNIT (PL6.1.1)
PWBA MCU (PL8.2.13)
HARNESS ASSY FUSING UNIT MG SFP (PL6.1.2)
1Checking the error.
Replace to known good paper.
Does the error still occur when printing?Go to step 2. End of work.
2Checking the Exit Sensor for operation.
Does the number on the screen increase by one, when the...

1 - 86 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 8Checking the Regi Clutch.
Does the clutch noise occur?
Checked by [Digital Output] - [Regi Clutch] in [IOT Diag] of 
diagnosis.Replace the 
printer.Replace the 
PWBA MCU. 
(Refer to RRP8.9.) Step CheckRemedy
Ye s N o 

1 - 87 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.41  077-107 / 077-108: IOT Duplex Misfeed JAM / IOT Duplex JAM (Duplex Model 
only)
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY DUP RELAY (PL1.2.13)
HARN ASSY L SIDE (PL3.1.18)
HARN ASSY OPTION (PL3.1.20)
ROLL ASSY REGI (PL3.2.9)
ROLL REGI METAL (PL3.2.10)
ROLLER ASSY DUP (PL11.2.9)
SENSOR PHOTO(Regi Sensor) (PL3.2.13)
FUSER UNIT (PL6.1.1)
PWBA MCU (PL8.2.13)
FEEDER ASSY DUP SFP STD (PL11.1.1)...