Service Manual
Troubleshooting
Table 5-10.
The LCD Displays FEED JAM (1) (Continued)
Cause
Step
Checkpoint
Finding
Solution
Disconnect connector
4
on the
board
and check the coil
resistance between: pin
and pin 3; pin 1 and pin 5;
pin 2 and pin 4; and pin 2
and pin 6 (four points total)
on the disconnected cable
side of the connector, using
No
Replace the main
a
motor.
Pin 1 — Pin 3
Pin 1 — Pin 5
Pin 2 — Pin 4
Pin 2 — Pin 6
Are the resistances of all
four points approximately 8
The main motor coil may be
ohms?
2
or shorted.
If any coil is shorted, check
the main motor drive circuit
using the following
procedure:
1. Set the
to
resistance check mode.
2. Place the (–) terminal of
the
on pins 3,
5,4, or 6 of connector
Yes
Replace the
P/J14 on the
board.
board.
3. Place the
terminal of
the
on pin 8 of
connector
1 on the
board
Does the
detect
any current?
board maybe
3
—
Replace the
—
board.
sensor maybe bad .
4
—
Replace the
—
sensor.
pick-up roller may be bad .
5
—
Replace the
—
pick-up roller.
Rev. A
Summary of Contents for EPL-9000
Page 1: ...EPSON TERMINAL PRINTER SERVICE MANUAL EPSON ...
Page 8: ...REVISION SHEET Revision Date Rev 5 1994 Revision Page I issue vii ...
Page 117: ...Disassembly and Service Figure 3 50 Removing the ROS Unit 3 32 Rev ...
Page 118: ...Chapter 4 Adjustments Adjustment is required in this product ...
Page 160: ...Service Manual Appendix 0 c 1 R13 J Figure A 6 C135 MAIN Board Component Layout Rear Side Rev ...
Page 161: ......
Page 162: ...EPSON ...
