Epson AcuLaser C2600 Service Manual page 195

EPSON AcuLaser C2600/2600
PQT-9: VERTICAL COLOR STREAKS OR BANDS
Symptom
They appear on the same position for the four colors.
No. Cause
Failure of the cleaner Replace the Photoconductor
1 blade of the unit.
Photoconductor unit
The electric charge wire Clean the charge wire.
are dirty.
2
Replace the Photoconductor
unit.
There is a dirt or foreign Clean the exposure window.
material on the laser path
Check the laser path between
between the LSU and the
3
the exposure window and the
photoconductor drum.
photoconductor drum for any
dirt or foreign material.
Waste toner overflows Replace the Photoconductor
from the Waste toner unit.
collection space in the
4
Check the sensor for detecting
Photoconductor unit.
the full state and replace it as
necessary.
Troubleshooting
PQT_008
Check Point Defect Parts
Photoconductor unit
Photoconductor unit
---
Photoconductor unit
DETECTOR, PC
Printing-quality troubleshooting (PQT)
No. Cause
Waste toner overflows Replace the Waste toner
from the Waste toner collector.
collector.
Check the drive path between
the Main drive motor and the
5
spiral.
Check the sensor for detecting
the full state and replace it as
necessary.
Failure of the cleaner Replace the TRANSFER
6 blade of the TRANSFER UNIT, Assy., ASP.
UNIT, Assy., ASP
Revision B
Check Point Defect Parts
Waste toner collector
SERVOMOTOR,
DRIVE
DETECTION,
PAPER LOAD
TRANSFER UNIT,
Assy., ASP
195