Epson C 2900 Manual

1 - 88 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 8Checking the ROLLER ASSY DUP for shape and operation.
Are ROLLER ASSY DUP seated correctly?
Also, are they not contaminated and/or damaged, and 
rotated smoothly?
Check these items by turning with your finger.Go to step 9.Replace ROLLER 
ASSY DUP. (Refer 
to RRP9.2.)
9Checking the HARN ASSY DUP RELAY for continuity 
Disconnect J27 from PWBA MCU.
Disconnect P272 from HARN ASSY DUP RELAY.
Is each cable of J27  P272...

1 - 89 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.42  077-215: IOT Duplexer Failure (Duplex Model only)
Step CheckRemedy
Ye s N o
Possible causative parts:
HARN ASSY DUP RELAY (PL1.2.13)
PWBA MCU (PL8.2.13)
HARNESS ASSY DUP (PL11.1.14)
FEEDER ASSY DUP SFP STD (PL11.1.1)
HARN ASSY OPTION (PL3.1.20)
1Checking the Option Duplex for installation.
Is the Option Duplex installed correctly?Go to step 3.Reseat the Option 
Duplex, then go to 
step 2.
2Does the error still occur...

1 - 90 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.43  077-300: IOT Cover Front Open
Step CheckRemedy
Ye s N o
Possible causative parts:
COVER ASSY FRONT MG (PL1.2.1)
PWBA LVPS (PL8.2.1)
HARN ASSY INTERLOCK (PL8.2.5)
PWBA MCU (PL8.2.13)
HARNESS ASSY LVPS MAIN MG SFP (PL9.1.3)
1Checking the COVER ASSY FRONT MG (Front Cover) for 
shape.
Are there any damages on the COVER ASSY FRONT MG?Replace the 
COVER ASSY 
FRONT MG. 
(Refer to RRP1.8.)Go to step 2.
2Checking the COVER...

1 - 91 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 7Checking the power to the Interlock Switch
Disconnect the connector of J44 on the PWBA LVPS.
Is the voltage across P44-1  ground on the PWBA 
LVPS, about +24 VDC?
Go to step 8.Replace the 
PWBA LVPS. 
(Refer to RRP8.5.)
8Checking the Interlock Switch for operation
Check the voltage across P44-3pin  ground on the 
PWBA LVPS.
Does the voltage change, when the Interlock Switch is 
turned ON/OFF?Replace the 
PWBA LVPS. 
(Refer...

1 - 92 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.44  077-301: IOT Side Cover Open
Step CheckRemedy
Ye s N o
Possible causative parts:
COVER ASSY WINDOW TNR (PL1.1.7)
SWITCH (PL5.1.9)
HARN ASSY SIDE SW (PL5.1.27)
PWBA MCU (PL8.2.13)
1Checking the COVER ASSY WINDOW TNR (Side Cover) 
for shape.
Are there any damages on the COVER ASSY WINDOW 
TNR?Replace the 
COVER ASSY 
WINDOW TNR. 
(Refer to RRP1.6.)Go to step 2.
2Checking the COVER ASSY WINDOW TNR for latching.
Open...

1 - 93 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.45  077-900: IOT Exit JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
FUSER UNIT (PL6.1.1)
HARNESS ASSY FUSING UNIT MG SFP (PL6.1.2)
PWBA MCU (PL8.2.13)
1Checking the paper feeding
Was a paper fed from SSI?Go to step 2. Go to step 4.
2Checking the paper setting
Was the paper correctly set to SSI without slant?Go to step 4.Set the paper to 
SSI correctly, and 
go to step 3.
3 Does the error still occur when...

1 - 94 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 11Checking the connectors of the Exit Sensor in the fuser unit 
for connection.
Check the connections between the PWBA MCU and fuser 
unit.
Are P/J17 and P/J171 connected correctly?
Go to step 12.Reconnect the 
connector(s) P/
J17 and/or P/J171 
correctly.
12Checking the HARNESS ASSY FUSING UNIT MG SFP for 
continuity.
Remove the fuser unit.
Disconnect J17 from the PWBA MCU.
Is each cable of J17  P171 continuous? 
NOTE: P171...

1 - 95 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.46  077-901: IOT Remain Registration JAM
Step CheckRemedy
Ye s N o
Possible causative parts:
CLUTCH ASSY DRV (PL3.1.1)
HARN ASSY L SIDE (PL3.1.18)
ACTUATOR REGI ROLL M (PL3.2.8)
ROLL ASSY REGI (PL3.2.9)
ROLL REGI METAL (PL3.2.10)
ACTUATOR REGI IN (PL3.2.11)
SENSOR PHOTO (PL3.2.13)
TRANSFER ASSY (PL6.1.7)
DRIVE ASSY MAIN (PL7.1.2)
PWBA MCU (PL8.2.13)
HARNESS ASSY MAIN MOT MG SFP (PL9.1.7)
HARN ASSY KSNR REGCL (PL9.1.9)...

1 - 96 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 11Checking the ACTUATOR REGI IN and ACTUATOR REGI 
ROLL M for shape and operation.
Remove the CHUTE ASSY LOW (PL3.2.27) once to check 
the following. 
Are the shape and operation of the ACTUATOR REGI IN 
and ACTUATOR REGI ROLL M normal?Go to step 12.Reseat the 
ACTUATOR REGI 
IN and/or 
ACTUATOR REGI 
ROLL M. If broken 
or deformed, 
replace it or they. 
12Checking the Regi. Sensor (SENSOR PHOTO) for 
operation.
Does the...

1 - 97 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 15Checking after resetting the TRANSFER ASSY
Reseat the TRANSFER ASSY.
Does the error still occur when printing?
Replace the 
TRANSFER 
ASSY. (Refer to 
RRP6.3.)End of work.
16Checking 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 17.Reconnect the 
connector(s) P/
J23 and/or P/J232 
correctly....