Epson C 2900 Manual

1 - 68 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?Go to step 18.Reseat the 
ACTUATOR REGI 
ROLL M. If broken 
or deformed, 
replace it with a 
new one. 
18Checking the Regi. Sensor (SENSOR PHOTO) for 
operation.
Does the number on the screen increase by one, when the...

1 - 69 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 23Checking the HARN ASSY L SIDE for continuity
Disconnect J23 from the PWBA MCU.
Disconnect P231 from the SOLENOID FEED MSI.
Is each cable of J23  P231 continuous?Go to step 24.Replace the 
HARN ASSY L 
SIDE.
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...

1 - 70 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 - 71 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.33  072-215: IOT Feeder Configuration Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY OPTION (PL3.1.20)
PWBA MCU (PL8.2.13)
FEEDER ASSY OPT (PL12.1.3)
HARNESS ASSY TRAY (PL12.3.23)
1Checking the Optional Feeder for installation.
Is the Optional Feeder installed correctly?Go to step 3.Reseat the 
Optional Feeder, 
then go to step 2.
2Does the error still occur when the power is turned OFF 
and ON?Go...

1 - 72 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.34  072-216: Option Feeder Motor Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
MOTOR ASSY SUB (PL12.2.16)
PWBA FEED H (PL12.2.1)
HARNESS ASSY TRAY MOT (PL12.2.2)
FEEDER ASSY OPT (PL12.1.3)
1Does the error still occur when the power is turned OFF 
and ON?Go to step 2. End of work.
2Checking the connectors of the MOTOR ASSY SUB for 
connection.
Check the connections between the PWBA FEED H and 
MOTOR ASSY...

1 - 73 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.35  072-900: IOT Remain Option Feeder JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
FEEDER ASSY OPT (PL12.1.3)
SENSOR PHOTO (PL12.4.13)
PWBA MCU (PL8.2.13)
HARNESS ASSY TRAY COMP (PL12.2.20)
1Checking the Paper Path Sensor (SENSOR PHOTO) for 
operation.
Does the number on the screen increase by one, when the 
actuator (ACTUATOR REGI IN) is operated?
Checked by [Digital Input] - [OptionPathSensor] in [IOT...

1 - 74 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.36  075-101 / 075-102 / 075-923: IOT SSI Insert JAM / IOT SSI Paper Pullout JAM / 
Waiting for reseat paper of SSI
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY L SIDE (PL3.1.18)
SENSOR PHOTO (PL3.2.13)
PWBA MCU (PL8.2.13)
1Checking the customer operation.
Did the customer insert the paper to the SSI during print?After print 
completion, insert 
the paper to the 
SSI.Go to step 2.
2Checking the SSI No...

1 - 75 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.37  077-100: IOT Reg On early JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY L SIDE (PL3.1.18)
ACTUATOR REGI IN (PL3.2.11)
SENSOR PHOTO (PL3.2.13)
PWBA MCU(PL8.2.13)
1Checking the error.
Replace to known good paper.
Does the error still occur when printing?Go to step 2. End of work.
2Checking the Regi Rolls installation.
Open the Front Cover and check the Regi Rolls installation.
Is the ROLL REGI...

1 - 76 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 7Checking the HARN ASSY L SIDE for continuity.
Disconnect J23 from the PWBA MCU.
Disconnect J232 from the SENSOR PHOTO.
Is each cable of J23  J232 continuous?Go to step 8.Replace the 
HARN ASSY L 
SIDE.
8Checking the power to the SENSOR PHOTO.
Disconnect J23 from the PWBA MCU.
Is the voltage across P23-3pin  ground on the PWBA 
MCU, about +3.3 VDC?Go to step 9.Replace the 
PWBA MCU. 
(Refer to RRP8.9.)
9Checking the SENSOR...

1 - 77 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.38  077-101: IOT Reg OFF 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 MG...