![Epson STYLUS COLOR 480 Service Manual Download Page 61](http://html.mh-extra.com/html/epson/stylus-color-480/stylus-color-480_service-manual_2419442061.webp)
EPSON Stylus COLOR 480
Revision B
Troubleshooting
Unit Level Troubleshooting
61
Table 3-17. General Error indication on the STM3
General Error indication on the STM3
Step
No.
Detail phenomenon
Check point
Remedy
1
When the printer is
turned on, the printer
continue the paper
eject sequence even if
the paper is not in the
paper path.
1. Check if the Torsion
spring 0.22 comes off
on the both HP/IC
sensor lever.
2. Check if the Torsion
spring 0.22 comes off
on the both PE sensor
lever.
3. Check if the CN1
connector cable is
connected on the CN1
on the Main board or
sensor.
4. Check if the HP/PE
sensor work correctly
by using the tester.
Refer to Table 3-2
1. Set the Torsion spring
0.22 on the HP/IC sensor
lever.
2. Set the Torsion spring
0.22 on the PE sensor
lever.
3. Connect the CN1
connector cable to the
CN1 on the Main board.
4. Replace the HP/PE/IC
sensor with new one.
5. If the problem is not
solved, replace the Main
board with new one.
HP/IC sensor lever
Torsion spring
0.22
Tension spring
0.22
PE sensor lever
Table 3-18. General Error indication on the STM3
General Error indication on the STM3
Step
No.
Detail phenomenon
Check point
Remedy
2
When the printer is
turned on, the CR unit
dose not move at all in
the power on sequence.
1. Check if the CR
motor connector is
connected CN2 on the
Main board.
2. Check if the coil
resistance of the CR
motor is about 7.8ohm
by using the tester.
Refer to Table 3-1.
1. Connect the CR motor
connector to the CN2 on
the Main board.
2. Replace the CR motor
with new one.
3. If the problem is not
solved, replace the Main
board with new one.
3
When the printer is
turned on, PF roller
dose not rotate at all in
the power on sequence.
1. Check if the PF motor
connector is connected
to the CN3.
2. Check if the PF motor
coil resistance is about
7ohm by using tester
1. Connect the PF motor
connector to the CN3 on
the Main board.
2. Replace the PF motor
with new one.
3. If the problem is not
solved, replace the Main
board with new one.
Summary of Contents for STYLUS COLOR 480
Page 1: ...EPSON STYLUSCOLOR480 Color Inkjet Printer SEIJ00002 SERVICE MANUAL ...
Page 9: ...C H A P T E R PRODUCTDESCRIPTION ...
Page 31: ...C H A P T E R OPERATINGPRINCIPLES ...
Page 51: ...C H A P T E R TROUBLESHOOTING ...
Page 67: ...C H A P T E R DISASSEMBLYANDASSEMBLY ...
Page 99: ...C H A P T E R ADJUSTMENT ...
Page 121: ...C H A P T E R MAINTENANCE ...
Page 128: ...C H A P T E R APPENDIX ...
Page 144: ...PSON Stylus COLOR 480 Revision B ppendix Parts List 144 ...
Page 146: ......
Page 147: ......
Page 148: ......
Page 149: ......