EPSON Stylus COLOR 670
Revision A
Troubleshooting
Unit Repair (Printer Mechanism)
62
Abnormal
carriage
operation.
Carriage
operation is
abnormal when
tuning on the
power.
CR lock lever
is not
released.
-Check if the
drive of PF motor
is transmitted to
paper eject roller.
-If paper eject
roller revolves by
the drive from PF
motor, check if
the pump unit,
paper eject roller
and right end
gear are engaged
properly.
Carriage
operation is
abnormal
during the
printing
operation.
Carriage
movement is
not smooth.
Manually move
the carriage and
check if it moves
smoothly.
Clean the
carriage guide
shaft and
lubricate it.
Check the
tension of the
timing belt.
Repair the
tension
mechanism or
replace it.
Check if there is
any foreign
substances on
the carriage path.
Remove any
foreign
objects.
Table 3-7. Printer Mechanism Troubleshooting (continued)
Symptom
Condition
Cause
Check Point
Solution
Printing is
not
performed.
Carriage moves
but no printing
is performed.
Head FFC is
not connected
properly.
Check visually if
the head FFC on
the carriage or
on the board is
connected
properly.
Connect FFC
properly.
FFC is
disconnected
inside.
Check the FFC by
using a
multimeter if
there is any
electric
conductivity.
Replace the
FFC.
I/C is
defective.
Install a new I/C
and perform the
self-test.
Replace I/C.
Head Unit is
defective.
If the condition
does not
improve even
after 2 or 3 times
of cleaning
operation,
replace the head
unit and perform
the self-test.
Replace the
head unit.
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 ...
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