Epson AcuLaser M2000D, Service Manual

Page: 72 / 228

EPSON AcuLaser M2000D/M2000DN/M2010D/M2010DN Revision B
TROUBLESHOOTING Troubleshooting 63
Confidential
3.4.6 Mechanical Problems
Problem Possible cause Remedy
No primary
paper feed. The paper feed roller
surface is
contaminated with
paper dust or other
foreign matter. Clean the roller surface using isopropyl alcohol.
(See P. 152)
The paper feed roller
has become deformed. Visually check the paper feed roller for deformation.
Replace the roller if deformation is observed.
(See
P. 126)
Mounting failure of the
paper feed clutch. Visually check the paper feed clutch. If the clutch is
not properly installed, fix it.
No secondary
paper feed. The upper or/and
lower registration
rollers surface is
contaminated with
paper dust or other
foreign matter. Clean the roller surface using isopropyl alcohol.
(See P. 152)
Mounting failure of the
registration clutch. Visually check the registration clutch. If the clutch is
not properly installed, fix it.
Skewed paper
feed. The paper guide inside
the cassette is not
properly adjusted. Check if the paper guide is properly adjusted or
installed. If not, adjust the position or replace the
paper guide.
Multiple sheets
of paper are fed
at one time. The separation roller
or the separation pad is
worn out. If the roller or the pad is worn out, replace it. (See
P. 126)
The paper has become
curled. If the paper has become curled, replace the paper.
Paper jams. The paper has become
curled. If the paper has become curled, replace the paper.
Poor contact between
the upper and lower
registration rollers. If the two rollers do not properly contact with each
other, fix it.
The heat roller or the
pressure roller is
extremely
contaminated, or has
become deformed. Replace the fuser unit. (See P. 106)
Poor contact between
the paper eject roller
and the fuser paper
eject pulley. If the roller and the pulley do not properly contact
with each other, fix it.
Toner drops on
the paper
conveying path. The developing unit or
the photoconductor
unit is extremely
contaminated. Clean the developing unit or the photoconductor
unit.
Abnormal noise
is heard. The rollers, roller
bearings, and gears do
not rotate smoothly.
„
If any obstacles are found, remove them.
„
Apply grease to the bearings and gears if their
surface is dry.
Mounting failure of the
paper feed clutch,
registration clutch, or
developing clutch. If any abnormality is found, fix it.
Problem Possible cause Remedy