Epson AcuLaser C2900N Service Manual page 156

Chapter 1 Troubleshooting
FIP-1.P5 Random spots
13
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
Checking the Print.
Checked by [Test-Print] - [Contamination check] in
1
diagnosis.
Is the image printed correctly?
Checking after cleaning Inside the Printer.
2
Is the image printed correctly?
Shake and reseat the suspected TONER CARTRIDGE (Y,
3 M, C, or K)
Is the image printed correctly?
Checking the belt surface of the TRANSFER ASSY.
4 Are there any damages on the belt surface of the
TRANSFER ASSY?
Checking 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?
5
Epson AcuLaser C2900N
Check
1 - 143
ESS and possible causative parts
- TRANSFER ASSY (PL6.1.7)
- DRUM CARTRIDGE (PL4.1.21)
- FUSER UNIT (PL6.1.1)
Yes
Printing data is
incorrect, then
check the printing
data which the
problem
generated.
End of work.
End of work.
Replace the
TRANSFER
ASSY. (Refer to
RRP6.3.)
Clean or replace
the TRANSFER
ASSY or
SPRING(s).
Revision B
Remedy
No
Go to step 2
Go to step 3.
Go to step 4.
Go to step 5.
Go to step 6.
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