Epson C 2900 Manual

							1 - 158 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P13  Jagged characters
Possible causative parts
- ROS ASSY (PL4.1.1)
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 paper.
Is the installed paper with a new and dry one? 
or does the paper satisfy the specification?Go to step 2.Replace the paper 
with a new and dry 
one. or Change 
the paper to the 
one that satisfies 
the specification.
2Checking the printer setting.
Change the Screen setting to Fineness via the printer 
driver.
- To change the Screen settings, use [Screen] on the 
Advanced Property tab of the printer driver.
NOTE: If using a downloaded font, ensure that the font is 
recommended for the printer, operating system, and the 
application being used.
Is the image printed correctly?End of work. Go to step 3.
3Checking the printer setting.
Change the Print Mode setting to High Quality via the 
printer driver.
- To change the Print Mode settings, use [Print Mode] on the 
Graphics Property tab of the printer driver.
Is the image printed correctly?End of work. Go to step 4.
4Checking the printer setting.
Change the Bitmap Smoothing setting to On via the printer 
driver.
- To change the Bitmap Smoothing setting, use [Bitmap 
Smoothing] on the Advanced Property tab of the printer 
driver.
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 ROS ASSY.
Reseat the ROS ASSY
Is the image printed correctly?End of work.Replace the ROS 
ASSY. (Refer to 
RRP4.1.) 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P14  Banding/Horizontal band cross out 
          Possible causative parts
- ROS ASSY (PL4.1.1)
- DRUM CARTRIDGE (PL4.1.21)
- TRANSFER ASSY (PL6.1.7)
- 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 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 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 for foreign objects in the paper transfer path.
Remove any foreign objects in the paper transfer path 
between the TRANSFER ASSY and the fuser unit.
Does the printout have Banding/Horizontal band cross out?Go to step 4. End of work.
4Checking the defective parts.
Print the [Pitch Configuration Chart] in [Chart Print] in 
[Diagnosis] tab of [Tool Box].
When the vertical stripes of periodicity are observed, check 
the defective parts by comparing the printed vertical stripes 
with the Pitch Chart. 
Are there any vertical stripes matching the chart?Replace the 
corresponding 
parts.Go to step 5.
1313 
						

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Epson AcuLaser C2900NRevision B
Confidential 5Checking 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).Go to step 6.
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. Go to step 8.
8Checking after replacing the TRANSFER ASSY.
Replace the TRANSFER ASSY. (Refer to RRP6.3.)
Is the image printed correctly?End of work. Go to step 9.
9Checking 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.P15  Auger mark
Possible causative parts
- DRUM CARTRIDGE (PL4.1.21)
- DISPENSER ASSY (PL5.1.1)
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 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 2
2Checking the Toner Type
Is the Toner for C2900 seated?Go to step 3.Replace the toner 
with the Genuine 
To n e r .
3Checking Dispense Motor (Y, M, C or K) for operation.
Operate the Dispense Motor (Y, M, C or K) for the color in 
which the problem lies.
- To check the operation of the Dispense Motor (Y, M, C or 
K), click [Dispense Motor (Y, M, C or K)] in [Machine Check] 
on the diagnosis tab of Tool Box.
Is the image printed correctly?End of work. Go to step 4
4Execute the Clean Developer
- To execute the Clean Developer, click Start in [Clean 
Developer] on the diagnosis tab of Tool Box.
Is the image printed correctly?End of work. Go to step 5 
						

							1 - 162 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 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 after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Is the image printed correctly?End of work. 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.Replace the 
DISPENSER 
ASSY. (Refer to 
RRP5.1.) Step CheckRemedy
Ye s N o 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P16  Wrinkled/Stained paper (Envelope Wrinkle)
.Possible causative parts
- HOLDER ASSY RETARD (PL2.1.5)
- ROLL ASSY FEED (PL3.2.4)
- ROLL ASSY REGI (PL3.2.9)
- ROLL REGI METAL (PL3.2.10)
Tray is recommended for paper feeding because sheets fed via SSI is prone to 
skew depending on how the sheet is placed on SSI.
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 paper feeding tray.
Is the skewed paper fed from the SSI?Go to step 2. Go to step 6.
2Checking the side guides setting of SSI.
Reset the side guides.
Is the image printed correctly?End of work. Go to step 3.
3Checking the paper path.
Are there any foreign substances on the paper path?Remove the 
foreign 
substances, then 
go to step 4.Go to step 5.
4 Is the image printed correctly? End of work. Go to step 5.
5Checking the ROLL ASSY REGI and ROLL ASSY METAL 
for rotation.
Checked by [Digital Output] - [Main Motor] in [IOT Diag], 
and then enter the [Digital Output] - [Regi Clutch] in [IOT 
Diag].
Does the Roll Assy Regi and Roll Regi Metal rotate?
During this check, cheat the interlock switch (HARN ASSY 
INTERLOCK).End of work.Replace the ROLL 
ASSY REGI and/
or ROLL REGI 
METAL.
6Checking after resetting the Paper Cassette.
Reseat the Paper Cassette.
Is the image printed correctly?End of work. Go to step 7.
7Checking after resetting the paper.
Reseat the paper in the Paper Cassette.
Is the image printed correctly?End of work. Go to step 8.
8Checking the side guides of the Paper Cassette.
Reset the side guides.
Is the image printed correctly?End of work. Go to step 9. 
						

							1 - 164 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential 9Checking the paper path.
Are there any foreign substances on the paper path?Remove the 
foreign 
substances, then 
go to step 10.Go to step 11.
10 Is the image printed correctly? End of work. Go to step 11.
11Checking after resetting the HOLDER ASSY RETARD.
Reseat the HOLDER ASSY RETARD.
Is the image printed correctly?End of work. Go to step 12.
12Checking after replacing the HOLDER ASSY RETARD.
Replace the HOLDER ASSY RETARD. (Refer to RRP2.2.)
Is the image printed correctly?End of work. Go to step 13.
13Checking after resetting the ROLL ASSY FEED.
Reseat the ROLL ASSY FEED. 
Is the image printed correctly?End of work.Replace the ROLL 
ASSY FEED. 
(Refer to RRP3.5.) Step CheckRemedy
Ye s N o 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P17  The top margin is incorrect / The side margin is incorrect
          ESS and possible causative parts
- DRUM CARTRIDGE (PL4.1.21)
- TRANSFER ASSY (PL6.1.7)
- ROS ASSY (PL4.1.1)
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 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.
2Checking after replacing the DRUM CARTRIDGE.
Replace the DRUM CARTRIDGE. (Refer to RRP4.6.)
Does the error appear on the printed material when 
printing?Go to step 3. End of work.
3Checking after replacing the TRANSFER ASSY.
Replace the TRANSFER ASSY. (Refer to RRP6.3.)
Does the error appear on the printed material when 
printing?Go to step 4.Replace the ROS 
ASSY. (Refer to 
RRP4.1.)
Mnt05100KAMnt05101KA 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P18  Color registration is out of alignment
          Possible causative parts
- TRANSFER ASSY (PL6.1.7)
- 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 Color registration.
Print the Color Regi Chart. 
- To print Color Regi Chart, click [Color Regi Chart] in 
[Color Registration Adjustments] on the Printer 
Maintenance tab of Tool Box.
Is the image printed correctly?End of work. Go to step 2.
2Checking after cleaning the CTD (ADC) Sensor.
Clean the CTD (ADC) Sensor, and print the Color Regi 
Chart.
Is the image printed correctly?End of work. Go to step 3.
3Checking after automatic color registration.
Execute the automatic color registration.
- To execute the automatic color registration, click [Auto 
Correct] in [Color Registration Adjustments] on the Printer 
Maintenance tab of Tool Box.
Is the image printed correctly?End of work. Go to step 4.
4Checking after manual color registration.
Manually adjust the color registration.
- To adjust the color registration manually, use [Color 
Registration Adjustment 1 or 2] in [Color Registration 
Adjustments] on the Printer Maintenance tab of Tool Box.
Is the image printed correctly?End of work. Go to step 5.
5Checking after Replacing the TRANSFER ASSY.
Replace the TRANSFER ASSY. (Refer to RRP6.3.)
Does the color registration appear on the printed material 
when printing?Replace the 
DRUM 
CARTRIDGE. 
(Refer to RRP4.6.)End of work.
Mnt01119KA 
						

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Epson AcuLaser C2900NRevision B
Confidential
FIP-1.P19  Images are skewed
ESS and possible causative parts
- HOLDER ASSY RETARD (PL2.1.5)
- ROLL ASSY FEED (PL3.2.4)
- ROLL ASSY REGI (PL3.2.9)
- ROLL REGI METAL (PL3.2.10)
Tray is recommended for paper feeding because sheets fed via SSI is prone to 
skew depending on how the sheet is placed on SSI.
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 paper feeding tray.
Is the skewed paper fed from the SSI?Go to step 2. Go to step 6.
2Checking the side guides setting of SSI.
Reset the side guides.
Is the image printed correctly?End of work. Go to step 3.
3Checking the paper path.
Are there any foreign substances on the paper path?Remove the 
foreign 
substances, then 
go to step 4.Go to step 5.
4 Is the image printed correctly? End of work. Go to step 5.
5Checking the ROLL ASSY REGI and ROLL ASSY METAL 
for rotation.
Checked by [Digital Output] - [Main Motor] in [IOT Diag], 
and then enter the [Digital Output] - [Regi Clutch] in [IOT 
Diag].
Does the Roll Assy Regi and Roll Regi Metal rotate?
During this check, cheat the interlock switch (HARN ASSY 
INTERLOCK).End of work.Replace the ROLL 
ASSY REGI and/
or ROLL REGI 
METAL.
6Checking after resetting the Paper Cassette.
Reseat the Paper Cassette.
Is the image printed correctly?End of work. Go to step 7.
7Checking after resetting the paper.
Reseat the paper in the Paper Cassette.
Is the image printed correctly?End of work. Go to step 8.
8Checking the side guides of the Paper Cassette.
Reset the side guides.
Is the image printed correctly?End of work. Go to step 9.
9Checking the paper path.
Are there any foreign substances on the paper path?Remove the 
foreign 
substances, then 
go to step 10.Go to step 11.
Mnt01116KA