Epson AcuLaser C2900N Service Manual page 190

Chapter 1 Troubleshooting
FIP-1.N3 Noise: During Printing (Checking for other items than "power on noise")
Step
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)
DRUM CARTRIDGE (PL4.1.21)
FUSER UNIT (PL6.1.1)
TRANSFER ASSY (PL6.1.7)
DRIVE ASSY SUB (PL7.1.1)
DRIVE ASSY MAIN (PL7.1.2)
FAN (PL8.1.1)
FEEDER ASSY DUP SFP STD (PL11.1.1)
Checking the paper feeding.
1 Does the noise arise from the printer when the paper is fed
from the Tray 1?
Checking the paper condition in the Paper Cassette.
2
Is the paper dry and recommended paper?
Checking noise when the paper is fed from the Tray 1.
3
Does the noise arise from the printer?
Checking the HOLDER ASSY RETARD in the Paper
Cassette for rotation.
4 Remove the Paper Cassette from the printer.
Does the RETARD ROLLER rotate smoothly?
Turning it with your finger.
Checking the ROLL ASSY FEED for rotation.
Remove the Paper Cassette from the printer.
Checked by [Digital Output] - [Main Motor] in [IOT Diag] and
5
then enter the [Digital Output] - [Tray1 Feed Solenoid] in
[IOT Diag] of diagnosis.
Does the noise arise from this Roller?
Checking the paper guide sides setting and paper setting of
SSI.
6
Were the paper guide sides of SSI correctly set, and was
the paper correctly inserted into SSI?
Checking the paper condition.
7
Is the paper dry and recommended paper?
Checking noise when the paper is fed from the SSI.
8
Does the noise arise from the printer?
Checking the Duplex.
9 Does the noise arise when feeding the paper from the
Duplex?
Epson AcuLaser C2900N
Check
1 - 177
Remedy
Yes
Go to step 2. Go to step 6.
Replace the paper
with a new dry and
Go to step 4. recommended
one, then go to
step 3.
Go to step 4. End of work.
Replace the
HOLDER ASSY
Go to step 5.
RETARD. (Refer
to RRP2.2.)
Replace the ROLL
ASSY FEED. Go to step 9.
(Refer to RRP3.5.)
Reset the paper
guide sides, and
Go to step 7. correctly insert the
paper to SSI, then
go to step 7.
Replace the paper
with a new dry and
Go to step 9. recommended
one, then go to
step 8.
Go to step 9. End of work.
Go to step 10. Go to step 12.
Revision B
No
Confidential