Epson AcuLaser C8500 Service Manual page 293

EPSON AcuLaser C8500
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)
MSI_PITCH 2B PITCH SENSOR
_SNR
MSI PITCH PAPER
SENSE Signal : High
BOTTOM 2C LEVEL SENSOR
_UP_SNR
MSI LEVEL SENSE
Signal : High
NSRDY 35 CONTROLLER PWB
/SRDY Signal : High
NPAGE 3B CONTROLLER PWB
/PAGE Signal : High
TR0_SNR 42 TR0 SENSOR
TR0-M SENSE Signal
: High
ROTARY 43 ROTARY SENSOR
_HOME_SNR
ROTARY SENSE
Signal : High
FUSER_EXIT 4B FUSER EXIT
SENSOR-2
_SNR2
FUSER EXIT-2
PAPER SENSE
Signal : High
NSOS 50 ROS ASSY
nSOS Signal : High
TONER 51 WASTE TONAER
SENSOR
_FULL_SNR
WASTE TONAER
SENSE Signal : High
Chapter 4 Diagnostics
Function Item
[High] Check Method
Check by using paper to
switch between light
present and light absent
states at the Sensor.
Check by using the
NUDGER SUPPORT
ASSY to sw itch between light
passed and light blocked states
at the Sensor.
-
-
Check by using TR0 m ark of
IBT BELT ASSY to switch
between light present and
light absent states at the
Sensor.
Check by using the ROTARY
FRAME ASSY to switch
betw een light passed and light
blocked states at the Sensor.
Check by using the FUSER
EXIT ACTUATOR-2 to
switch betw een 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.
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)
WASTE 52 TONER BOX
SENSOR
_TONER_BOX
TONER BOX SENSE
Signal : High
MCU_CHECK 53 Not used
TEST_PIN 54 Dip-Switch(S1) of
MCU PWB
TEST PRINT ON
Signal : High
PAP_EMPTY 60 TRAY N/P SENSOR
ASSY (Cassette 1)
_SNR_1
[1]TRAY PAPER
SENSE Signal : High
NEAR 61 LOW PAPER
SENSOR (Cassette
_EMPTY_SW
1)
[1]LOW PAPER
SENSE Signal : High
FUSER 62 FUSER ASSY
_UNIT_SW
FUSER ASSY
SENSE Signal : High
OIL_ROLL_SW 63 Not used
OIL_LIFE_SW 64 Not used
MSI_PAP2_SNR 65 Not used
MSI_PAP_SNR 66 EMPTY SENSOR
MSI PAPER SENSE
Signal : High
Revision C
Function Item
[High] Check Method
Check by using the
Actuator to switch
between light passed
and light blocked states
at the Sensor.
-
Checking by switching
between ON/OFF at the
MCU PWB Dip-Switch.
Check by using the
Actuator to switch
between light passed
and light blocked states
at the Sensor.
Check by increasing and
decreasing the amount
of paper in Cassette 1 to
switch between detected
and not detected states
at the Sensor.
Checking by opening
and closing the FUSER
ASSY
-
-
-
C heck by using the MSI N/P
ACTUATOR to sw itch
between light passed and light
blocked states at the Sensor.
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