Table 5-8. Repair of the Printer Mechanism (Continued)
Symptom
Condition
Cause
Checkpoint
Solution
Printing is
not
performed.
The carriage
moves, but no
printing is
performed.
The head cable is
disconnected.
Check whether the head
cable is disconnected.
Reconnect the
head cable.
The head cable is
defective.
Replace the head cable to
see if operation is normal.
Replace the
head cable.
The printhead is
defective.
Replace the printhead to
see if the printhead
operates normally.
Replace the
printhead.
Ink absorption is
poor.
See “Ink is not absorbed”
on the previous page.
Abnormal
printing.
A particular dot
is not printed.
Printhead surface
is not clean.
Perform the cleaning
operation.
Clean.
The head cable is
disconnected.
Check whether the head
cable is disconnected.
Reconnect the
head cable.
The head cable is
defective.
Replace the head cable to
see if operation is normal.
Replace the
head cable.
The printhead is
defective.
Replace the printhead.
Replace the
printhead.
A dot is not
printed
occasionally.
Printhead surface
is not clean.
Check the front of the
printhead.
Clean.
The ink cartridge
is used up.
Check whether the ink
cartridge is empty.
Replace the
ink cartridge.
Insufficient head
cable contact.
Check whether the cable
is properly plugged into
the connector.
Plug the cable
into the
connector
properly.
Check whether the
printhead is clean.
Clean.
The printhead is
defective.
Replace the printhead to
see if this causes printing
to be performed normally.
Replace.
Ink is poorly
absorbed.
Check whether the used
ink goes through the used
ink tube.
See “Ink is not
absorbed.”
Printhead
characters are
not aligned.
The platen gap is
not adjusted.
Check the platen gap.
Adjust the gap.
The intervals
between the
characters are
irregular.
The timing belt is
defective.
Check that the timing belt
is properly inserted into
the bottom of the carriage.
Insert the
timing belt
properly.
Vertical line is
not aligned.
Bidirectional
alignment is not
adjusted.
Check it with bidirectional
alignment program.
Adjust the
bidirectional
alignment.
Paper is not
fed normally.
Character or
dot pitch is
abnormal.
Character or dot
pitch is abnormal.
Check for head inclination,
distance front/rear position.
Make each
adjustment.
Stylus Pro Service Manual
Troubleshooting
Rev.A
5-13
Содержание Stylus pro 7700m
Страница 1: ...EPSON COLOR INKJET PRINTER Stylus Pro SERVICE MANUAL EPSON 4004825 ...
Страница 121: ...A 2 CIRCUIT DIAGRAMS Figure A 2 C164 MAIN Board Circuit Diagram 1 Stylus Pro Service Manual Appendix Rev A A 7 ...
Страница 122: ... 5 IC6 Q2 R135 and CN13 are not mounted on the C164 MAIN Board Stylus Pro ...
Страница 123: ...Figure A 3 C164 MAIN Board Circuit Diagram 2 Stylus Pro Service Manual Appendix Rev A A 9 ...
Страница 124: ...Figure A 4 C137 PSB Board Circuit Diagram Stylus Pro Service Manual Appendix Rev A A 11 ...
Страница 125: ...Figure A 5 C137 PSE Board Circuit Diagram Rev A A 12 A 12 Rev A ...
Страница 126: ...Figure A 6 C137 PNL Board Circuit Diagram Stylus Pro Service Manual Appendix Rev A A 13 ...
Страница 127: ...A 3 CIRCUIT BOARD COMPONENT LAYOUTS Figure A 7 C164 MAIN Board Component Layout Rev A A 14 A 14 Rev A ...
Страница 128: ...Figure A 8 C137 PSB PSE Board Component Layout Stylus Pro Service Manual Appendix Rev A A 15 ...
Страница 129: ...Figure A 9 C137 PNL Board Component Layout Rev A A 16 A 16 Rev A ...
Страница 130: ...A 4 EXPLODED DIAGRAMS Figure A 10 Stylus Color Pro Exploded Diagram 1 Stylus Pro Service Manual Appendix Rev A A 17 ...
Страница 131: ...Figure A 11 Stylus Color Pro Exploded Diagram 2 Rev A A 18 A 18 Rev A ...
Страница 132: ...Figure A 12 Stylus Color Pro Exploded Diagram 3 Stylus Pro Service Manual Appendix Rev A A 19 ...
Страница 139: ...EPSON Printed in Japan 95 05 30 A ...