Epson C 2900 Manual

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Epson AcuLaser C2900NRevision B
Confidential 6Checking the DRUM CARTRIDGE for connection.
Remove the DRUM CARTRIDGE.
Are five HV terminals on the DRUM CARTRIDGE, and five 
springs on the frame (PL4.1.10 and PL4.1.15 to 18) dirty 
and/or deformed?
Clean and/or 
replace the DRUM 
CARTRIDGE or 
SPRING(s).Go to step 7.
7Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Is the image printed correctly?End of work.Warning: Start the...

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P8  Vertical blanks
ESS and possible causative parts
- DRUM CARTRIDGE (PL4.1.21)
- TRANSFER ASSY (PL6.1.7)
- ROS ASSY (PL4.1.1)
- FUSER UNIT (PL6.1.1)
Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign 
materials on the transfer path, such as staples, paper clips, scraps of paper and so on.
Step CheckRemedy
Ye s N o
1Checking the Print.
Checked by [Test-Print] -...

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Epson AcuLaser C2900NRevision B
Confidential 4Checking the laser beam path.
Are there any foreign substances between the ROS ASSY 
and DRUM CARTRIDGE?
Remove the 
foreign 
substances.Go to step 5.
5Checking the DRUM CARTRIDGE for connection.
Remove the DRUM CARTRIDGE.
Are five HV terminals on the DRUM CARTRIDGE, and five 
springs on the frame (PL4.1.10 and PL4.1.15 to 18) dirty 
and/or deformed?
Clean and/or 
replace the DRUM 
CARTRIDGE or 
SPRING(s).Go to step 6....

1 - 151 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 9Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Is the image printed correctly?End of work.Warning: Start the 
operation after the 
fuser unit has 
cooled down.
Replace the fuser 
unit. (Refer to 
RRP6.1.) After 
replacement, be 
sure to clear the 
life counter value. Step CheckRemedy
Ye s N o 

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P9  Ghosting
ESS and possible causative parts
- LED ASSY ERASE (PL4.1.8)
- HARNESS ASSY LVPS MAIN MG SFP 
(PL9.1.3)
- DRUM CARTRIDGE (PL4.1.21)
- TRANSFER ASSY (PL6.1.7)
Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign 
materials on the transfer path, such as staples, paper clips, scraps of paper and so on.
Step CheckRemedy
Ye s N o
1Checking the Afterimage (Ghost).
Print...

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Epson AcuLaser C2900NRevision B
Confidential 6Checking the connectors for connection.
Check the connections between the PWBA MCU and LED 
ASSY ERASE.
Are P/J141 and P/J14 connected correctly?
Go to step 7.Reconnect the 
connector(s) P/
J141 and/or P/J14 
surely, then go to 
step 7.
7Checking the HARNESS ASSY LVPS MAIN MG SFP for 
continuity.
Disconnect J14 from the PWBA MCU.
Disconnect J141 from the LED ASSY ERASE.
Is each cable of J14  J141 continuous?Replace the LED...

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Epson AcuLaser C2900NRevision B
Confidential 10Checking the TRANSFER ASSY for connection. Open the 
COVER ASSY FRONT.
Are four HV terminals on the TRANSFER ASSY, and four 
springs on the frame (PL4.1.11, 12, 13 and 14) dirty and/or 
deformed?
Clean or replace 
the TRANSFER 
ASSY or 
SPRING(s).Replace the 
DRUM 
CARTRIDGE. 
(Refer to RRP4.6.) Step CheckRemedy
Ye s N o 

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P10  Light-Induced Fatigue
Possible causative parts
- DRUM CARTRIDGE (PL4.1.21)
Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign 
materials on the transfer path, such as staples, paper clips, scraps of paper and so on.
Step CheckRemedy
Ye s N o
1Checking after Drum Refresh Mode.
Execute the Drum Refresh Mode.
- To execute the Drum Refresh Mode, click [Drum Refresh 
Mode]...

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P11  Fog
ESS and possible causative parts
- PWBA HVPS (PL4.1.19)
- DRUM CARTRIDGE (PL4.1.21)
Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign 
materials on the transfer path, such as staples, paper clips, scraps of paper and so on.
Step CheckRemedy
Ye s N o
1Checking the printing.
Checked by [Test Print] - [Gradation] in diagnosis.
Is the image printed correctly?Printing...

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P12  Bead-Carry-Out (BCO)
ESS and possible causative parts
- PWBA HVPS (PL4.1.19)
- DRUM CARTRIDGE (PL4.1.21)
Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign 
materials on the transfer path, such as staples, paper clips, scraps of paper and so on.
Step CheckRemedy
Ye s N o
1Setting the altitude.
Set the altitude.
- To set the altitude, use [Adjust Altitude] on the Printer...