Epson C 2900 Manual

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Epson AcuLaser C2900NRevision B
Confidential When horizontal lines and/or spot occur periodically, it is possibly caused by the 
trouble of a particular roll. In this case, compare the trouble intervals on the test 
print with the Pitch Chart. The interval does not necessarily match circumference 
of the roll. The trouble may be solved easily by the check.
No Roll Parts Period (mm) Replaceable parts
1 Heat Roll 67 FUSER UNIT
2 Pressure Belt 63 FUSER UNIT
3 Drum 76 DRUM...

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Epson AcuLaser C2900NRevision B
Confidential -Pitch Chart
The chart is printed [Contamination Check] in the [Test Print] of the [Diagnosis].
Page 1Page 2
Page 3Page 4
Page 5
Wsb02028KA
13
Wsb02027KA
13
Wsb02029KA
13
Wsb02030KA
13
Wsb02025KA 

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Confidential
4.2   Print Image Quality Specifications
Image Quality Guarantee Conditions
The image quality is specified and guaranteed under the following conditions.
1) Environmental Condition
Temperature: 5°C - 32°C
Humidity:15% RH - 85% RH (85% RH at 28°C)
Note that defect may occur due to condensation after around 30 minutes if the printer is turned on 
in a critical environment.
2) Guaranteed Paper
The print image quality specified...

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Epson AcuLaser C2900NRevision B
Confidential Chart
Parallelism
Perpendicularity 

1 - 132 Chapter 1   Troubleshooting
Epson AcuLaser C2900NRevision B
Confidential Skew
Linearity
Magnification Error
Registration 

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Epson AcuLaser C2900NRevision B
Confidential Guaranteed Printing Area
Rio01001KA
4.1mm
4.1mm4.1mm
4.1mm
355.6mm
(14inch)
215.9mm
(8.5inch)351.5mm
211.8mm
Guaranteed printing area 

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Epson AcuLaser C2900NRevision B
Confidential
4.3   Image Quality FIP
FIP-1.P1  The output is too light
          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...

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Epson AcuLaser C2900NRevision B
Confidential 4Checking 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 5
5Checking the TONER CARTRIDGE (Y,M,C or K).
Is the toner cartridges installed to the printer the toner for 
C2900?Go to step 7 Go to step 6
6Set the Non-GenuineToner option to [Off].
Is the image printed correctly?End of work. Go to step 7...

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Epson AcuLaser C2900NRevision B
Confidential 9Checking 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 5.Go to step 10.
10Checking after resetting the DRUM CARTRIDGE.
Reseat the DRUM CARTRIDGE.
Is the image printed correctly?End of work. Go to step 10....

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Epson AcuLaser C2900NRevision B
Confidential 13Does 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 15.Replace the 
DISPENSER 
ASSY (refer to 
RRP5.1), then go 
to step 14.
14 Is the image printed correctly? End of work.Replace the 
printer.
15Checking after resetting the PWBA MCU.
Reseat the PWBA MCU.
Is the image printed...