
Laser 1000/1500 Service Manual
Table 5-16. The LCD Displays SERVICE REQ.
Cause
Step
Checkpoint
The connector for the
thermistor may be
1
I
S
the connector for the
disconnected.
thermistor disconnected?
The
board maybe
Does the heater lamp
dead.
remain lit up until an error
occurs?
The heater lamp or thermal
fuse in fusing unit maybe
3
Does the heater lamp come
bad.
on at power on?
The
board maybe
—
dead.
Finding
Solution
Yes
Connect it.
Yes
Replace the
board.
Replace the heater
No
lamp or thermal
fuse in fusing unit.
Replace the
—
board.
Table 5-17. The LCD Displays SERVICE REQ.
Cause
The main motor coil may
be open or shorted.
The
board maybe
dead.
Step
2
Disconnect connector
on the
board and
check the coil resistance
between: pin 1 and pin 2; pin
2 and pin 3; pin 4 and pin 5;
and pin 5 and pin 6 (4 points
total) on the disconnected
cable side of the connector
using a
Pin 1 — Pin 2
Pin 2 — Pin 3
Pin 4 — Pin 5
Pin 5 — Pin 6
Are the resistances of all four
points approximately 7 ohms’
If any coil is shorted, check
the main motor drive circuit
using the following procedure
1. Set the
to
voltage.
2. Place the (-) terminal of
on pins 1, 3, 4,
or 6 of connector
on
the
board.
3. Place the
terminal on
pin 6 of connector
of
the
board
With power on, does the
detect current?
—
Finding
No
Yes
—
Solution
the main
the
board.
the
board.
5-6
Rev.
Содержание ActionLaser 1000
Страница 1: ...EPSON TERMINAL PRINTER EPL 5000 5200 5200 1000 I15OO SERVICE MANUAL EPSON 4001962 ...
Страница 123: ...Appendix Laser 1000 1500 Service Manual c m 0 L v E Figure A 2 Cable Connections for the Engine Section A 2 Rev ...
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Страница 135: ...Laser 100W15OO Service Manual Appendix 10 W Figure A 6 PWB A Board Circuit Diagram Rev A 15 ...
Страница 136: ...Appendix Laser 100LW5OO Service Manual W I u I z z II I em m m m m u Figure A 7 Basic Circuit Diagram u A 16 Rev A ...
Страница 138: ...Appendix Laser Service Manual 0 o 0 o o Figure A 9 C108 MAIN Board Component Layout Back Side Rev A ...
Страница 147: ...Appendix B Service Manual o 0 R m43 Figure B 5 CI08 MAIN B Board Component Layout Back B 10 Rev C ...
Страница 155: ...Service Manual Appendix C 0 ml 10 r 0 0 0 0 0 0 0 0 0 00 Figure C 2 C154 MAIN B Component Layout Front Rev E c 9 ...
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