EPSON Stylus COLOR 670
Revision A
Troubleshooting
Unit Repair (Printer Mechanism)
64
Abnormal
Printing.
A vertical line is
not aligned.
Bi-directional
alignment is
not adjusted.
Perform Bi-D
adjustment.
Refer to
Chapter 5
“Adjustment”.
White line
appears in the
image data.
Head angle is
not correct.
Perform head
angle
adjustment.
Refer to
Chapter 5
“Adjustment”.
Platen gap is
not right.
Perform Platen
Gap adjustment.
Refer to
Chapter 5
“Adjustment”.
Dot shooting
direction is
tilted because
head surface
is not clean.
Perform cleaning
several times
and check the
print quality.
Perform the
cleaning
operation.
I/C is
defective.
Install a new I/C
and perform self-
test.
Replace I/C.
Head unit is
defective.
Head unit is
broken.
Replace the
head unit.
Print
irregularity
appears along
with CR
scanning
direction.
-Abnormal CR
guide surface
-Top frame
CR holder rail
is deformed.
-Check CR guide
surface.
-Check the form
of top frame CR
holder rail.
Replace the
CR guide shaft
and top frame.
Table 3-7. Printer Mechanism Troubleshooting (continued)
Symptom
Condition
Cause
Check Point
Solution
Abnormal
Paper
Feeding.
Paper is not
fed.
Friction of the
LD roller.
Load paper and
check if the LD
roller revolves
smooth when
picking up paper.
Clean the LD
roller with the
cleaning
sheet. Replace
the LD roller if
it does not
recover.
Abnormal
operation of
the hopper.
Check the
movement of the
ASF hopper
visually.
Replace the
ASF.
Malfunction
of ASF drive
switching
function.
Insert DE lever to
the left side of
the CR shaft and
check if drive
from PF roller is
transmitted to
the ASF.
Replace the
DE lever and
ASF drive
switching
gear.
Page heading
position is
wrong.
Friction of PF
roller
Check if the PF
roller slips
during the paper
feeding.
Clean the PF
roller by the
cleaning
sheet. Replace
the PF roller if
the problem is
not solved.
PE sensor is
defective.
-Check if PE
sensor lever
moves smoothly.
-Check if the
assembly with
the right paper
guide is made
correct and check
if there is any
foreign
substances.
-Replace the
PE sensor
assembly.
-Re-assemble
each part and
remove
foreign
substances.
Table 3-7. Printer Mechanism Troubleshooting (continued)
Symptom
Condition
Cause
Check Point
Solution
Содержание Stylus Color 670
Страница 1: ...EPSON EPSONStylusCOLOR670 Color Inkjet Printer SEIJ99016 SERVICE MANUAL ...
Страница 6: ...Revision Status Revision Issued Date Description Rev A January 27 2000 First Release ...
Страница 10: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 30: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 52: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 66: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 99: ...C H A P T E R 5 ADJUSTMENT ...
Страница 122: ...C H A P T E R 6 MAINTENANCE ...
Страница 129: ...C H A P T E R 7 APPENDIX ...
Страница 149: ......
Страница 150: ......
Страница 151: ......
Страница 152: ......