FX-2180 Service Manual
Troubleshooting
Rev. A
3-2
3.2.2 Detectors
Table 3-2. Detector Test Point
Detector
CN No.
Test Pin No.
Test Method
(Set Meter to DC Voltage)
Meter
Reading
CN4
(HP
Detector)
1 : HP
2 : GND
3 : +5V
Place one lead on pin 1 and
the other lead on pin 2, and
check the voltage while
blocking two detector
terminal.
•
Open : +5V
(Home
position)
•
Short : 0V
(Out of
home)
CN5
(Rear PE
Detector)
1 : +5V
2 : PE
3 : GND
Place one lead on pin 2 and
the other lead on pin 3, and
check the voltage while
toggling the detector lever.
•
Open : +5V
(Paper
loaded)
•
Short : 0V
(No paper)
CN6
(Front PE
Detector)
1 : PE
2 : GND
Place one lead on pin 1 and
the other lead on pin 2, and
check the voltage while
toggling the detector lever.
•
Open : +5V
(Paper
loaded)
•
Short : 0V
(No paper)
CN7
(TOP
Detector)
1 : E
2 : GND
3 : +5V
4 : A
Place one lead on pin 1 and
the other lead on pin 2, and
check the voltage while
inserting and removing paper
between the detector.
•
Open : 0V
(No paper)
•
Short : +5V
(Paper
loaded)
Table 3-3. Detector Test Point (continue.)
Detector
CN No.
Test Pin No.
Test Method
(Set Meter to DC Voltage)
Meter
Reading
CN12
(Release
Detector 1 /
2)
1 : Release 1
2 : GND
3 : Release 2
4 : GND
Place one lead on pin 1 and
the other lead on pin 2, and
check the voltage while
toggling the release lever.
Place one lead on pin 3 and
the other lead on pin 4, and
check the voltage while
toggling the release lever.
•
Open : +5V
•
Short : 0V
CN13
(PG
Detector 1/
2)
1 : PG1
2 : GND
3 : PG2
4 : GND
Place one lead on pin 1 and
the other lead on pin 2, and
check the voltage while
toggling the PG detector
lever.
•
Open : +5V
•
Short : 0V
CN2 on
Panel
board
(Case
Open
Detector)
1 : COPEN
2 : GND
Place one lead on pin 2 and
the other lead on pin 3, and
check the voltage while
toggling the detector lever.
•
Open : +5V
(Case
opened)
•
Short : 0V
(Case
closed)
Содержание FX-2180 - Impact Printer
Страница 1: ...EPSON EPSON EPSON France S A SERVICE MANUAL FX 2180 PRODUIT ...
Страница 2: ...6 59 0 18 3LQ PSDFW RW 3ULQWHU EPSON FX 2180 4009047 ...
Страница 6: ...REVISION STATUS Rev Date Page s Contents A 1998 04 02 All First release ...
Страница 11: ...PRODUCT DESCRIPTIONS 3 7 5 ...
Страница 24: ...OPERATING PRINCIPLES 3 7 5 ...
Страница 28: ...TROUBLESHOOTING 3 7 5 ...
Страница 43: ...DISASSEMBLY AND ASSEMBLY 3 7 5 ...
Страница 76: ...ADJUSTMENT 3 7 5 ...
Страница 86: ...MAINTENANCE 3 7 5 ...
Страница 89: ...APPENDIX 3 7 5 ...
Страница 101: ......
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