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 
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.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] - [Contamination check] in 
diagnosis.
Is the image printed correctly?Printing data is 
incorrect, then 
check the printing 
data which the 
problem 
generated.Go to step 2
2Checking the belt surfaces of the TRANSFER ASSY.
Are there any damages on the belt surface of the 
TRANSFER ASSY?Replace the 
TRANSFER 
ASSY. (Refer to 
RRP6.3.)Go to step 3.
3Checking the TRANSFER ASSY for connection.
Open the COVER ASSY FRONT MG.
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).Go to step 4.
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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.
6Checking the ROS ASSY for connection.
Check the connections between the ROS ASSY and PWBA 
MCU.
Are P/J40, P/J 41, P/J411 and P/J 412 connected correctly?
Go to step 8.Reconnect the 
connector(s) P/
J40, P/J41, P/J411 
and/or P/J412 
surely, then go to 
step 7.
7 Is the image printed correctly? End of work. Go to step 8.
8Checking after replacing the ROS ASSY.
Replace the ROS ASSY. (Refer to RRP4.1.)
Is the image printed correctly?End of work. Go to step 9. Step CheckRemedy
Ye s N o 
						

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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 the Ghost Configuration Chart Page. 
- To print Ghost Configuration Chart, click [Ghost 
Configuration Chart] in [Chart Print] on the diagnosis tab of 
To o l  B o x .
Is the image printed correctly?End of work. Go to step 2.
2Checking the paper.
Does the paper satisfy the specification?Go to step 3.Change the paper 
to the one that 
satisfies the 
specification.
3Adjusting the transfer bias.
Adjust the voltage value of the BTR. 
- To adjust the voltage value of the BTR, use [Adjust BTR] 
on the Printer Maintenance tab of Web Tool.
Is the image printed correctly?End of work. Go to step 4.
4Checking after Drum Refresh Mode.
Execute the Drum Refresh Mode.
- To execute the Drum Refresh Mode, click [Drum Refresh 
Mode] in [Refresh Mode] on the diagnosis tab of Tool Box.
Is the image printed correctly?End of work. Go to step 5.
5Checking the erase lamps.
Open the COVER ASSY FRONT, and remove the DRUM 
CARTRIDGE.
Cheat the safety interlock switch.
Does the four erase LEDs light correctly?Go to step 8. Go to step 6.
Mnt01114KA 
						

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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 
ASSY ERASE 
(Refer to 
RRP4.4.), then go 
to step 8.Replace the 
HARNESS ASSY 
LVPS MAIN MG 
SFP.
8Checking 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 9.
9Checking after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Is the image printed correctly?End of work. Go to step 10. Step CheckRemedy
Ye s N o 
						

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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] in [Refresh Mode] on the diagnosis tab of Tool Box.
Is the image printed correctly?End of work. Go to step 2.
2Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Does the error still occur when printing?Replace the 
Printer.End of work. 
						

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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 data is 
incorrect, then 
check the printing 
data which the 
problem 
generated.Go to step 2.
2Changing the printer driver setting.
Reset Image Settings (Brightness/Contrast) to defaults.
- Click [Restore Defaults] in [Image Settings] on the 
[Graphics] tab.
Is the image printed correctly?End of work. Go to step 3.
3Checking the paper.
Is the installed paper with a new and dry one? or does the 
paper satisfy the specification?Go to step 4.Replace the paper 
with a new and dry 
one. or Change 
the paper to the 
one that satisfies 
the specification.
4Checking after Drum Refresh Mode.
Execute the Drum Refresh Mode.
- To execute the Drum Refresh Mode, click [Drum Refresh 
Mode] in [Refresh Mode] on the diagnosis tab of Tool Box.
Is the image printed correctly?End of work. Go to step 5.
5Checking the Toner Type
Is the Toner for C2900 seated?Go to step 6.Replace the toner
with the Genuine 
To n e r .
6Checking after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Is the image printed correctly?End of work. Go to step 7.
7Checking after resetting the PWBA HVPS.
Reseat the PWBA HVPS.
Is the image printed correctly?End of work. Go to step 8.
8Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Is the image printed correctly?End of work.Replace the 
PWBA HVPS. 
(Refer to RRP4.5.)
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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 
Maintenance tab of Tool Box.
Is the image printed correctly?End of work. Go to step 2.
2Checking after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Is the image printed correctly?End of work. Go to step 3.
3Checking after resetting the PWBA HVPS.
Reseat the PWBA HVPS.
Is the image printed correctly?End of work. Go to step 4.
4Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Is the image printed correctly?End of work.Replace the 
PWBA HVPS. 
(Refer to RRP4.5.)