Printer Test - Konica Minolta bizhub c20 Service Manual

14. SERVICE MODE
14.7.7

PRINTER TEST

A. SENSOR
• To display the states of the input ports of sensors and switches when the machine
Function
remains stationary. (Main body)
Use • Used for troubleshooting when a malfunction or a misfeed occurs. (Main body)
• The operation of each of the switches and sensors can be checked on a real-time basis.
Setting/
• It can be checked as long as the 5-V power line remains intact even when a door is
procedure
open.
(1) Sensor check list
Panel display
TRAY1 EMPTY
MF EMPTY
2ND EMPTY
SYNC. ROLLER
PAPER LOOP
EXIT
H TRANSPORT
PAPER FULL
DUPLEX PAPER
2ND FEEDER
FRONT DOOR
RIGHT DOOR
SCANNER UNIT
2ND FEEDER COVER
DUPKEX SWITCH BACK
24V MONITOR
RETRACTION 1ST
RETRACTION 2ND
CASSETTE SET
2ND FEEDER SIZE
2ND FEEDER SIZE
2ND FEEDER SIZE
WASTE TONER FULL
OHP
218
Sensor name
Tray2 media empty sensor (PS1)
Tray1 media empty sensor (PS3)
Media empty sensor (PS1)
Registration sensor (PS4)
Media loop sensor (PS6)
Exit sensor/1 (PS8)
Exit sensor/2 (PS31)
Media full sensor (PS32)
Duplex transport sensor (PS26)
Media feed sensor (PS3)
Front door sensor (PS22)
Right door sensor (PS21)
Scanner open sensor (PS24)
Right door sensor (PS5)
Switchback sensor (PS30)
⎯
1st image transfer retraction
position sensor (PS9)
2nd image transfer retraction
position sensor (PS10)
Tray2 set switch (SW5)
Media size switch (SW1)
Waste toner sensor (PS11)
OHP sensor (PS7)
Field Service Ver. 1.0 Sep. 2008
Operation characteristics/panel display
0
Media not present Media present
Media not present Media present
Media not present Media present
Media not present Media present
Media not present Media present
Media not present Media present
Media not present Media present
Other than full
Media not present Media present
Media not present Media present
Open
Open
Open
Open
Media not present Media present
OFF
Media not present Media present
Media not present Media present
Not set
OFF
OFF
OFF
Full Other than full
Other than OHP
1
Full
Close
Close
Close
Close
ON
Set
ON
ON
ON
OHP