Epson C 2900 Manual

							1 - 138 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P2  The entire output is blank
ESS and possible causative parts
- TRANSFER ASSY (PL6.1.7)
- DRUM CARTRIDGE (PL4.1.21)
- DISPENSER ASSY (PL5.1.1)
- ROS ASSY (PL4.1.1)
- PWBA HVPS (PL4.1.19)
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 blank print.
Print the Windows test page.
Is the image printed correctly?Printing data form 
is not suitable for 
the printer, then 
check the printing 
data which the 
problem 
generated.Go to step 2.
2Checking the TONER CARTRIDGE (Y, M, C or K) for 
installation.
Shake and reseat the suspected TONER CARTRIDGE (Y, 
M, C, or K).
Is the image printed correctly?End of work. Go to step 3
3Checking the TONER CARTRIDGE (Y,M,C or K).
Is the toner cartridges installed to the printer the toner for 
C2900?Go to step 5 Go to step 4
4Set the Non-GenuineToner option to [Off].
Is the image printed correctly?End of work. Go to step 5
5Checking the paper.
Is the installed paper with a new and dry one? or does the 
paper satisfy the specification?Go to step 6.Replace the paper 
with a new and dry 
one. or Change 
the paper to the 
one that satisfies 
the specification.
6Checking the DRUM CARTRIDGE sealing ribbon.
After turning the printer off, open the front cover and remove 
the DRUM CARTRIDGE from the printer. Remove any of 
the 8 pieces of sealing ribbon that may be left on the DRUM 
CARTRIDGE.
Then, install the DRUM CARTRIDGE into the printer. If the 
ribbon is found, it takes a long time until the density is 
recovered. To use the printer immediately, change the 
DRUM CARTRIDGE to another one.
Is the image printed correctly?End of work. Go to step 7 
						

							1 - 139 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 7Checking the TRANSFER ASSY for connection.
Open the COVER ASSY FRONT MG.
Are four HV terminals on the right side of 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), then 
go to step 8.Go to step 8.
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), then 
go to step 9.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.
10Checking the laser beam windows of the ROS ASSY.
Are the laser beam windows on the ROS ASSY clean? 
Go to step 11.Clean the 
window(s) with 
soft cloth or cotton 
swab gently. Step CheckRemedy
Ye s N o 
						

							1 - 140 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 11Checking the laser beam path.
Are there any foreign substances between the ROS ASSY 
and DRUM CARTRIDGE?
Remove the 
foreign 
substances.Go to step 12.
12Does the Toner Dispenser Motor function normally?
Checked by [Digital Output] - [Yellow Toner Motor,Magenta 
Toner Motor,Cyan Toner Motor,Black Toner Motor] in [IOT 
Diag] of diagnosis.Go to step 14.Replace the 
DISPENSER 
ASSY (refer to 
RRP5.1), then go 
to step 13.
13 Is the image printed correctly? End of work.Replace the 
printer.
14Checking after resetting the PWBA MCU.
Reseat the PWBA MCU.
Is the image printed correctly?End of work. Go to step 15.
15Checking after resetting the PWBA ESS SFP.
Reseat the PWBA ESS SFP.
Is the image printed correctly?End of work. Go to step 16.
16Checking after resetting the TRANSFER ASSY.
Reseat the TRANSFER ASSY.
Is the image printed correctly?End of work. Go to step 17.
17Checking after replacing the TRANSFER ASSY.
Replace the TRANSFER ASSY. (Refer to RRP6.3.)
Is the image printed correctly?End of work. Go to step 18.
18Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Is the image printed correctly?End of work. Go to step 19.
19Checking after resetting the PWBA HVPS.
Reseat the PWBA HVPS. 
Is the image printed correctly?End of work. Go to step 20.
20Checking after replacing the DISPENSER ASSY.
Replace the DISPENSER ASSY. (Refer to RRP5.1.)
Is the image printed correctly?End of work. Go to step 21.
21Checking after replacing the ROS ASSY.
Replace the ROS ASSY. (Refer to RRP4.1.)
Is the image printed correctly?End of work.Replace the 
PWBA HVPS. 
(Refer to RRP4.5.) Step CheckRemedy
Ye s N o 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P3  Part or the entire output is black.
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 solid black.
Checked by [Test Print] - [Test Pattern 600] in diagnostic.
Is the image printed correctly?Printing data is 
incorrect, then 
check the printing 
data which the 
problem 
generated.Go to step 2.
2Checking the printer driver setting.
Is the [Output Color] option under the [Graphics] tab set to 
Color (Auto)?Go to step 3.Set the option to
Color (Auto).
3Checking the Toner Type.
Is the Toner for C2900 seated?Go to step 4.Replace the toner 
with the Genuine 
To n e r .
4Checking after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Is the image printed correctly?End of work. Go to step 5.
5Checking after resetting the PWBA HVPS.
Reseat the PWBA HVPS.
Is the image printed correctly?End of work. Go to step 6.
6Checking 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.P4  Toner smears
Possible causative parts
- DRUM CARTRIDGE (PL4.1.21)
- TRANSFER ASSY (PL6.1.7)
- 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 printer environment.
Check that the printer is in a room where air conditioner is 
operating. If the air conditioner is not operating, turn it on or 
move the printer to a room with an air conditioner.
Are printouts still toner smears after turning on the air 
conditioner?Go to step 2. End of work.
2Checking the paper.
Is the installed paper with a new and dry one? or does the 
paper satisfy the specification?Go to step 3.Replace the paper 
with a new and dry 
one. or Change 
the paper to the 
one that satisfies 
the specification.
3Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Is the image printed correctly?End of work. Go to step 4.
4Checking after replacing the fuser unit.
Replace the fuser unit. (Refer to RRP6.1.)
Is the image printed correctly?
Warning: Start the operation after the fuser unit has 
cooled down.
NOTE: After replacement, be sure to clear the life 
counter value.End of work.Replace the 
TRANSFER 
ASSY. (Refer to 
RRP6.3.) 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P5  Random spots
ESS and possible causative parts
- TRANSFER ASSY (PL6.1.7)
- DRUM CARTRIDGE (PL4.1.21)
- 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 after cleaning Inside the Printer.
Is the image printed correctly?End of work. Go to step 3.
3Shake and reseat the suspected TONER CARTRIDGE (Y, 
M, C, or K)
Is the image printed correctly?End of work. Go to step 4.
4Checking the belt surface 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 5.
5Checking 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 6.
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							1 - 144 Chapter 1   Troubleshooting
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 
						

							1 - 145 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P6  Streaks appear on the output
ESS and possible causative parts
- TRANSFER ASSY (PL6.1.7)
- DRUM CARTRIDGE (PL4.1.21)
- 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 after cleaning Inside the Printer.
Is the image printed correctly?End of work. Go to step 3.
3Shake and reseat the suspected TONER CARTRIDGE (Y, 
M, C, or K)
Is the image printed correctly?End of work. Go to step 4.
4Checking the belt surface 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 5.
5Checking 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 6.
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							1 - 146 Chapter 1   Troubleshooting
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 
						

							1 - 147 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P7  Pitched color dots
ESS and possible causative parts
- TRANSFER ASSY (PL6.1.7)
- DRUM CARTRIDGE (PL4.1.21)
- 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 defective parts.
Print the [Pitch Configuration Chart] in [Chart Print] in 
[Diagnosis] tab of [Tool Box].
When the partial lacks of periodicity are observed, check the 
defective parts by comparing the printed partial lacks with 
the Pitch Chart. 
Are there any partial lack matching the chart?Replace the 
corresponding 
parts.Go to step 2.
2Checking after cleaning Inside the Printer.
Is the image printed correctly?End of work. Go to step 3.
3Shake and reseat the suspected TONER CARTRIDGE (Y, 
M, C, or K)
Is the image printed correctly?End of work. Go to step 4.
4Checking the belt surface 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 5.
5Checking 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 6.
13