Digital Input Test; Digital Input Test Device Code - Epson AcuLaser C8500 Service Manual

EPSON AcuLaser C8500

4.2.5.4 Digital Input Test

This lets you detect the High/Low level of switches and sensors that
have digital signals.
Table 4-7. Digital Input Test Parameter
DIAGON command: [75]
DIAGSTART Command(Digital Input Test) : [90 01 XX]
DIAGSTOP Command(Digital Input Test) : [Unnecessary]
Parameter Function
1 Diagnostics Type
2 Code_DO
3 Data
Status present( [90 01 XX XX] )
EX) [Command]
90 01 01
Grid
Test Print
DIAGSTART Command
EX) [Status]
90 01 01 06
Pass
Grid
Test Print
DIAGSTART Command
Chapter 4 Diagnostics
DIAGOFF command: [76]
Data (hex)
00 : Test Print
Device code (See the next section [2.5.6].)
[Status only] 00: low, 01: High or XX (data)

4.2.5.5 Digital Input Test Device Code

Table 4-8. Digital Input Test Device Code
Digital Input Test [DIAGSTART : [90 02 XX] , DIAGSTOP : [91 02 XX] ]
Code
When status data is
Name (Hex)
TOP_TRAY 15 FULL STACK
SENSOR
_FULL_SNR
FULL STACK SENSE
Signal : High
EXIT_TOP 16 TOP EXIT SENSOR
_SNR
TOP EXIT PAPER
SENSE Signal : High
FUSER_ENT 24 FUSER IN SENSOR
_SNR
FUSER IN PAPER
SENSE Signal : High
FUSER_EXIT 25 FUSER EXIT
SENSOR-1
_SNR
FUSER EXIT-1
PAPER SENSE
Signal : High
OHP_SNR 27 OHP SENSOR
OHP WHITE SENSE
Signal : High
REGIST_ 29 REGI. SENSOR
SNR
REGI. PAPER
SENSE Signal : High
BOTTOM_ 2A BOTTOM PLATE
SENSOR
DOWN_SNR
Revision C
Function Item
[High] Check Method
Check by using the
Actuator to switch
between light passed
and light blocked states
at the Sensor.
Check by using the
Actuator to switch
between light passed
and light blocked states
at the Sensor.
C heck by using the FUSER
IN ACTUATOR to switch
between light passed and light
blocked states at the Sensor.
C heck by using the FUSER
EXIT ACTUATOR-1 to
switch between light passed
and light blocked states at the
Sensor.
Check by using paper to
switch between light
present and light absent
states at the Sensor.
Check by using paper to
switch between light
present and light absent
states at the Sensor.
C heck by using the
BOTTOM PLATE to sw itch
between light passed and light
blocked states at the Sensor.
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