Epson AcuLaser C2900N Service Manual page 191

Chapter 1 Troubleshooting
Step
Checking the FEEDER ASSY DUP SFP STD for
installation.
10
Reseat the FEEDER ASSY DUP SFP STD.
Does the noise arise from the printer?
Checking the Duplex Motor (MOTOR ASSY DUP).
Does the noise arise from the printer?
11
Checked by [Digital Output] - [Duplex Motor] in [IOT Diag] of
diagnosis.
Checking the Main Motor.
Does the noise arise from the printer?
12
Checked by [Digital Output] - [Main Motor] in [IOT Diag] of
diagnosis.
Checking after resetting the drum cartridge.
Reseat the drum cartridge.
13 Does the noise arise from the printer?
Checked by [Digital Output] - [Main Motor] in [IOT Diag] of
diagnosis.
Checking after resetting the TRANSFER ASSY.
Reseat the TRANSFER ASSY.
14 Does the noise arise from the printer?
Checked by [Digital Output] - [Main Motor] in [IOT Diag] of
diagnosis.
Checking the foreign substances on the surfaces of the
ROLL ASSY REGI and ROLL REGI METAL.
15
Are there any foreign substances on the surfaces of these
parts?
Checking noise when printing.
16
Does the noise arise from the printer?
Checking the ROLL ASSY REGI and ROLL REGI METAL
for rotation.
Checked by [Digital Output] - [Main Motor] in [IOT Diag] and
17
then enter the [Digital Output] - [Regi Clutch] in [IOT Diag] of
diagnosis.
Does the noise arise from the Roller(s)?
Checking the DRIVE ASSY MAIN for installation.
Reseat the DRIVE ASSY MAIN.
18 Does the noise arise from the printer?
Checked by [Digital Output] - [Main Motor] in [IOT Diag] of
diagnosis.
Checking the Sub Motor.
Does the noise arise from the printer?
19
Checked by [Digital Output] - [Sub Motor] in [IOT Diag] of
diagnosis.
Checking the DRUM CARTRIDGE for installation.
Reseat the DRUM CARTRIDGE.
20 Does the noise arise from the printer?
Checked by [Digital Output] - [Sub Motor] in [IOT Diag] of
diagnosis.
Epson AcuLaser C2900N
Check
1 - 178
Remedy
Yes
Go to step 11. End of work.
Replace FEEDER
ASSY DUP SFP
End of work.
STD. (Refer to
RRP9.1.)
Go to step 13. Go to step 19.
Go to step 14. End of work.
Go to step 15. End of work.
Remove the
foreign
Go to step 17.
substances, then
go to step 16.
Go to step 17. End of work.
Replace the ROLL
ASSY REGI and/
Go to step 18.
or ROLL REGI
METAL.
Try replacing the
DRUM CAR-
TRIDGE (refer to
RRP4.6), TRANS-
FER ASSY (refer
End of work.
to RRP6.3) and
DRIVE ASSY
MAIN (refer to
RRP7.2) one after
another.
Check the
installation
Go to step 20.
situation of the
printer.
Go to step 21. End of work.
Revision B
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Confidential