Epson C 2900 Manual

1 - 48 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.22  027-446 / 027-452: IPv6 duplicate / IPv4 duplicate
Step CheckRemedy
Ye s N o
Possible causative parts:
-
1Checking the IP addresses.
Remove the duplicate IP addresses.
Does the error still occur when the power is turned off and 
on?End of work.Upgrade the 
firmware. 

1 - 49 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.23  041-340: IOT NVRAM Error
If the error occurred after replacing the PWBA MCU, transfer the internal data of the old 
PWBA MCU to a new one.
*1: Though some kind of foreign noise would be possible cause, go to FIP Electrical Noise in Other FIP 
and check, to make sure. Step CheckRemedy
Ye s N o
Possible causative parts:
DRUM CARTRIDGE (PL4.1.21)
PWBA MCU (PL8.2.13)
HARN ASSY PHD XPRO (PL9.1.11)
1Does the error still...

1 - 50 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.24  042-313: IOT Fan Motor Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
FAN (PL8.1.1)
PWBA LVPS (PL8.2.1)
PWBA MCU (PL8.2.13)
HARNESS ASSY LVPS MAIN MG SFP (PL9.1.3)
1Does the error still occur when the power is turned OFF and 
ON?Go to step 2. End of work.
2Checking the FAN for rotation.
Does the FAN function normally?
Checked by [Digital Output] - [Main Motor or Fan Motor] in 
[IOT Diag] of diagnosis....

1 - 51 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 8Checking the power to the FAN.
Disconnect J503 from the PWBA LVPS.
Is the voltage across P503-1pin  ground on the PWBA 
LVPS, about +24 VDC when the interlock switch (HARN 
ASSY INTERLOCK) is pushed?
Replace the FAN. 
(Refer to RRP8.1.)Go to step 9.
9Checking after replacing the PWBA LVPS.
Replace the PWBA LVPS. (Refer to RRP8.5.)
Does the error still occur when the power is turned OFF and 
ON?Replace the 
PWBA MCU. 
(Refer...

1 - 52 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.25  042-325: IOT Main Motor Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
DRIVE ASSY MAIN (PL7.1.2)
PWBA MCU (PL8.2.13)
HARNESS ASSY MAIN MOT MG SFP (PL9.1.7)
1Does the error occur when the power is turned OFF and 
ON?Go to step 2. End of work.
2Checking after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Does the error still occur when the power is turned OFF and 
ON?Go to step 3. End of work....

1 - 53 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.26  042-326: IOT Sub Motor Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
DRIVE ASSY SUB (PL7.1.1)
PWBA MCU (PL8.2.13)
HARNESS ASSY SUB MOT MG SFP (PL9.1.8)
1Does the error still occur when the power is turned OFF and 
ON?Go to step 2. End of work.
2Checking after resetting the fuser unit and DRUM 
CARTRIDGE
Reseat the fuser unit and DRUM CARTRIDGE.
Warning: Start the operation after the fuser unit has...

1 - 54 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.27  042-372 / 042-373: IOT K Mode Solenoid Error 1/2
Step CheckRemedy
Ye s N o
Possible causative parts:
DRIVE ASSY PH (PL7.1.4)
PWBA MCU (PL8.2.13)
HARN ASSY KSNR REGCL (PL9.1.9)
1Does the error still occur when the power is turned OFF and 
ON?Go to step 2. End of work.
2Checking the K Mode Solenoid (Color Mode Switching 
Solenoid) for operation.
Does the K Mode Solenoid function normally?
Checked by [Digital Output] -...

1 - 55 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 8Checking the connectors of the K Mode Sensor in the 
DRIVE ASSY PH for connection
Check the connections between the PWBA MCU and K 
Mode Sensor.
Are P/J26 and P/J261 connected correctly?
Go to step 10.Reconnect the 
connector(s) P/
J26 and/or P/
J261correctly, 
then go to step 9.
9Does the error still occur when the power is turned OFF and 
ON?Go to step 10. End of work.
10Checking the HARN ASSY KSNR REGCL for continuity....

1 - 56 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.28  042-700:IOT Over Heat Stop
Step CheckRemedy
Ye s N o
Possible causative parts:
SENSOR HUM (PL8.2.7)
PWBA MCU (PL8.2.13)
HARN ASSY HUM (PL9.1.6)
1Checking the connectors for connection.
Check the connections between the PWBA MCU and 
SENSOR HUM.
Are P/J20 and P/J201 connected surely?Go to step 3.Reconnect the 
connector(s) P/
J20 and/or P/ 
J201 surely, then 
go to step 2
2Does the error still occur when the power is...

1 - 57 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.29  061-370: IOT ROS Failure
Step CheckRemedy
Ye s N o
Possible causative parts:
ROS ASSY (PL4.1.1)
HARN ASSY ROS RE (PL4.1.22)
HARN ASSY ROS VIDEO (PL4.1.23)
PWBA MCU (PL8.2.13)
1Does the error still occur when the power is turned OFF 
and ON?Go to step 2. End of work.
2Checking after resetting the PWBA MCU.
Reseat the PWBA MCU.
Does the error still occur when the power is turned OFF 
and ON?Go to step 3. End of work....