Service manual

V-44
4.8.1 Digital input test
Function: Displaying a sensor or switch signal level on the LCD panel as "H" or "L" and
also the number of changes from "H" to "L" or "L" to "H"
Operation procedure:
1. Enter the Diag. (C/E) mode.
2. Select [CE Maintenance IOT Diag] with the
and buttons.
3. Press the Form Feed/Set button to advance to diagnostic menu selection in [CE
Maintenance IOT Diag].
4. Select [IOT Diag Digital Input] with the
and buttons.
5. Press the Form Feed/Set button to advance to diagnostic menu selection in [IOT
Diag Digital Input].
6. Select the menu No. of a digital input test with the
and buttons.
(For the contents of the diagnostic items, refer to the table at right.)
7. Press the Form Feed/Set button to execute the diagnosis.
8. The LCD panel displays the sensor status (H: Sensor OFF, L: Sensor ON) and the
number of sensor ON/OFF changes.
9. Press the Job Cancel/Back button to terminate the diagnosis.
10. Press the Menu button to terminate the diagnosis if in progress and return to the
[IOT Diag Digital Input] display.
Digital input test code table
Menu
No.
Part/signal name Test method
Reference
BSD
DI-0
FULL STACK SENSOR Block and unblock the sensor
with an actuator.
2.9.4
DI-1
DUP JAM SENSOR Block and unblock the sensor
with an actuator.
2.9.4
DI-2
Exit Sensor
(FUSER ASSY)
Block and unblock the sensor
with an actuator.
2.9.1
DI-3
REGI. SENSOR Block and unblock the sensor
with an actuator.
2.7.6
DI-4
SCANNER READY The component of scanner is
turned ON and checked in Diag
Mode(C/E).
2.5.1
DI-5
FUSER READY The component of scanner is
turned ON and checked in Diag
Mode(C/E).
2.9.1
DI-7
INTERLOCK OPEN Open and close the front cover.
2.1.1
DI-8
TONER CARTRIDGE SWITCH
ASSY (Y)
Replace and remove the toner
cartridge.
2.8.3
DI-9
TONER CARTRIDGE SWITCH
ASSY (M)
Replace and remove the toner
cartridge.
2.8.3
DI-a
TONER CARTRIDGE SWITCH
ASSY (C)
Replace and remove the toner
cartridge.
2.8.3
DI-b
TONER CARTRIDGE SWITCH
ASSY (K)
Replace and remove the toner
cartridge.
2.8.3
DI-c
SENSOR NO TONER (Y) Replace and remove the toner
cartridge.
2.8.5
DI-d
SENSOR NO TONER (M) Replace and remove the toner
cartridge.
2.8.5
DI-e
SENSOR NO TONER (C) Replace and remove the toner
cartridge.
2.8.5
DI-f
SENSOR NO TONER (K) Replace and remove the toner
cartridge.
2.8.5
DI-10
MSI NO PAPER SENSOR Block and unblock the sensor
with an actuator.
2.7.2