EPSON AcuLaser C8500
Revision C
Chapter 4
Diagnostics
4-24
4.2.5.4 Digital Input Test
This lets you detect the High/Low level of switches and sensors that
have digital signals.
4.2.5.5 Digital Input Test Device Code
Table 4-7. Digital Input Test Parameter
DIAGON command: [75]
DIAGOFF command: [76]
DIAGSTART Command(Digital Input Test) : [90 01 XX]
DIAGSTOP Command(Digital Input Test) : [Unnecessary]
Parameter
Function
Data (hex)
1
Diagnostics Type
00 : Test Print
2
Code_DO
Device code (See the next section [2.5.6].)
3
Data
[Status only] 00: low, 01: High or XX (data)
Status present( [90 01 XX XX] )
EX) [Command]
90 01 01
EX) [Status]
90 01 01 06
DIAGSTART Command
Grid
Test Print
Pass
Grid
Test Print
DIAGSTART Command
Table 4-8. Digital Input Test Device Code
Digital Input Test [DIAGSTART : [90 02 XX] , DIAGSTOP : [91 02 XX] ]
Name
Code
Function Item
Check Method
(Hex)
When status data is
[High]
TOP_TRAY
_FULL_SNR
15
FULL STACK
SENSOR
Check by using the
Actuator to switch
between light passed
and light blocked states
at the Sensor.
FULL STACK SENSE
Signal : High
EXIT_TOP
_SNR
16
TOP EXIT SENSOR
Check by using the
Actuator to switch
between light passed
and light blocked states
at the Sensor.
TOP EXIT PAPER
SENSE Signal : High
FUSER_ENT
_SNR
24
FUSER IN SENSOR
C heck by using the FUSER
IN ACTUATOR to switch
between light passed and light
blocked states at the Sensor.
FUSER IN PAPER
SENSE Signal : High
FUSER_EXIT
_SNR
25
FUSER EXIT
SENSOR-1
C heck by using the FUSER
EXIT ACTUATOR-1 to
switch between light passed
and light blocked states at the
Sensor.
FUSER EXIT-1
PAPER SENSE
Signal : High
OHP_SNR
27
OHP SENSOR
Check by using paper to
switch between light
present and light absent
states at the Sensor.
OHP WHITE SENSE
Signal : High
REGIST_
SNR
29
REGI. SENSOR
Check by using paper to
switch between light
present and light absent
states at the Sensor.
REGI. PAPER
SENSE Signal : High
BOTTOM_
DOWN_SNR
2A
BOTTOM PLATE
SENSOR
C heck by using the
BOTTOM PLATE to sw itch
between light passed and light
blocked states at the Sensor.
Содержание AcuLaser C8500
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Страница 21: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...
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Страница 110: ...EPSON AcuLaser C8500 Revision C Operating Principles 2 33 Figure 2 39 Development ...
Страница 118: ...EPSON AcuLaser C8500 Revision C Operating Principles 2 41 Figure 2 45 Drive ...
Страница 120: ...EPSON AcuLaser C8500 Revision C Operating Principles 2 43 Figure 2 46 Electrical ...
Страница 139: ...EPSON AcuLaser C8500 Revision C Operating Principles 2 62 No toner reset flow Figure 2 63 No Toner Reset Flow ...
Страница 150: ...EPSON AcuLaser C8500 Revision C Operating Principles 2 73 Figure 2 71 C287MAIN Board Circuit Diagram Cooling fan ...
Страница 153: ...C H A P T E R 3 DISASSEMBLY ASSEMBLY ADJUSTMENT ...
Страница 269: ...C H A P T E R 4 DIAGNOSTICS ...
Страница 353: ...C H A P T E R 5 TROUBLESHOOTING ...
Страница 480: ...C H A P T E R 6 MAINTENANCE ...
Страница 503: ...C H A P T E R 7 APPENDIX ...
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Страница 524: ...EPSON AcuLaser C8500 Revision C APPENDIX Wiring Diagrams 7 22 Figure 7 30 P J Location 6 Figure 7 31 P J Location 7 ...
Страница 562: ...EPSON AcuLaser C8500 Revision C APPENDIX Component Layout 7 60 Figure 7 35 C311MAIN Component Layout Soldered Side ...
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