Epson AcuLaser C2900N, Service Manual

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Chapter 1 Troubleshooting
Epson AcuLaser C2900N
Revision 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 Check
Remedy
Yes No
1
Checking 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
Tool Box.
Is the image printed correctly?
End of work. Go to step 2.
2
Checking the paper.
Does the paper satisfy the specification?
Go to step 3.
Change the paper
to the one that
satisfies the
specification.
3
Adjusting 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.
4
Checking 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.
5
Checking 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