Epson AcuLaser C2900N Service Manual page 165

Chapter 1 Troubleshooting
FIP-1.P9 Ghosting
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 Afterimage (Ghost).
Print the Ghost Configuration Chart Page.
- To print "Ghost Configuration Chart", click [Ghost
1
Configuration Chart] in [Chart Print] on the diagnosis tab of
Tool Box.
Is the image printed correctly?
Checking the paper.
2
Does the paper satisfy the specification?
Adjusting the transfer bias.
Adjust the voltage value of the BTR.
3 - To adjust the voltage value of the BTR, use [Adjust BTR]
on the Printer Maintenance tab of Web Tool.
Is the image printed correctly?
Checking after "Drum Refresh Mode".
Execute the "Drum Refresh Mode".
4 - 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?
Checking the erase lamps.
Open the COVER ASSY FRONT, and remove the DRUM
5 CARTRIDGE.
Cheat the safety interlock switch.
Does the four erase LEDs light correctly?
Epson AcuLaser C2900N
Mnt01114KA
Check
1 - 152
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)
Yes
End of work.
Go to step 3.
End of work.
End of work.
Go to step 8.
Revision B
Remedy
No
Go to step 2.
Change the paper
to the one that
satisfies the
specification.
Go to step 4.
Go to step 5.
Go to step 6.
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