Troubleshooting
Rev. A
5-13
Table 5-9. Repair of M-4I60 Printer Mechanism (2)
Symptom
Condition
Cause
Checkpoint
Solution
CR motor
operates
abnormally
CR moves
slightly at
power on
CR does not move
smoothly.
Move the CR manually and
check if the movement is
smooth.
Clean and lubricate the
CR guide shaft. (Refer to
Chapter 6.)
then stops.
Check if the tension of the
belt is appropriate.
Replace the tension
spring or timing belt.
Check if the PG is proper.
Adjust the PG. (Refer to
Chapter 4.)
Printing is not
performed.
CR moves
normally,
but does not
perform
The head FFC is
disconnected from
the head or MAIN
board.
Check if the FFC is
connected to the head and
MAIN board.
Connect the FFC
securely.
Printing.
The head FFC is
damaged.
Check if there is current
using the multimeter.
Replace the head FFC.
The ink cartridge is
defective.
It might have been removed
and reinstalled several times
by the user. Therefore install
a new cartridge and run the
self-test.
Replace the ink
cartridge.
The head is
defective.
Repeat cleaning at least 3
times and check if the
condition is improved. If not,
replace the head unit and
run
the self-test.
Replace the head unit.
Printing
operation is
abnormal.
A particular
dot does not
print
constantly.
Ink is not ejected
straight or dot is
missing because of
ink viscosity.
Repeat cleaning sequence
and run the self-test.
Clean the head surface.
The head FFC is
disconnected from
the head or MAIN
board.
Check if the FFC is
connected to the head and
MAIN board.
Connect the FFC
securely.
The head FFC is
damaged.
Check if there is current
using the multimeter.
Connect the FFC
securely.
The head is
defective.
Repeat cleaning at least 3
times and check if the
condition is improved. If not,
replace the head unit and
run
the self-test.
Replace the head unit.
Printing isn’t
performed
occasionally.
Ink is not ejected
straight or dot is
missing because of
ink viscosity.
Repeat cleaning sequence
and run the self-test.
Clean the head surface.
The head FFC is
disconnected from
the head or MAIN
board.
Check if the FFC is
connected to the head and
MAIN board.
Connect the FFC
securely.
The head FFC is
damaged.
Check if there is current
using the multimeter.
Connect the FFC
securely.
The head is
defective.
Repeat cleaning at least 3
times and check if the
condition is improved. If not,
replace the head unit and
run the self-test.
Replace the head unit.
The ink cartridge is
defective.
Install a new cartridge and
run the self-test. (The
cartridge might have been
removed and reinstalled
several times by the user.)
Replace the ink
cartridge.
Summary of Contents for 1520 - Stylus Color Inkjet Printer
Page 138: ...Maintenance Rev A 6 5 8 9 10 10 10 10 10 10 10 10 Figure 6 2 Lubrication Points 2 ...
Page 146: ...Appendix Rev A A 7 A 2 Circuit Diagrams Figure A A 2 C211 MAIN B Board Circuit Diagram 1 2 ...
Page 147: ...EPSON Stylus COLOR 1520 Rev A A 8 ...
Page 148: ...Appendix Rev A A 9 Figure A A 3 C211 MAIN B Board Circuit Diagram 2 2 ...
Page 149: ...EPSON Stylus COLOR 1520 Rev A A 10 ...
Page 152: ...Appendix Rev A A 13 A 3 Component Layout Figure A A 6 C211 MAIN B Board Component Layout ...
Page 153: ...EPSON Stylus COLOR 1520 Rev A A 14 Figure A A 7 C172 PSB Board Component Layout ...
Page 154: ...Appendix Rev A A 15 Figure A A 8 C172 PSE Board Component Layout ...
Page 156: ...Appendix Rev A A 17 Figure A A 10 Stylus COLOR 1520 Exploded Diagram 2 ...
Page 157: ...EPSON Stylus COLOR 1520 Rev A A 18 Figure A A 11 Stylus Color 1520 Exploded Diagram 3 ...
Page 165: ...EPSON SEIKO EPSON CORPORATION ...
