Oki C9800 Series, Service & Troubleshooting Manual

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Using the Switch Scan Test
Enter Service Mode by holding down the menu up / menu down and help buttons
at the same time while powering up the machine. (This may take up to 60 seconds.)
The System Maintenance Menu will appear.
From Diagnostic Mode, Down arrow to “Switch Scan” and press “Enter”
From this menu, pressing the Down Arrow Key will scroll through the following table
of tests. Simply select “Enter to execute and “Cancel” to terminate the selected test.
Switch Scan Test (Printer)
Location 1 Location 2 Location 3 Location 4
Display Detail
on Printer LCD
Sensor
Tested Display
Condition Sensor
Tested Display
Condition Sensor
Tested Display
Condition Sensor
Tested Display
Condition
Paper Route: PU
IN1 Sensor
H - Off
L – On
IN2 Sensor
H - Off
L - On
WR Sensor
H - Off
L - On
Exit Sensor
H - Off
L - On
Paper Route: Sub
IN1 Sensor
H - Off
L - On
IN2 Sensor
H - Off
L - On
WR Sensor
H - Off
L - On
Toner Sensor
Toner K
Sensor H - Off
L - On Toner Y
Sensor H - Off
L - On Toner M
Sensor H - Off
L - On Toner C
Sensor H - Off
L - On
COVER
UP_LU_FU
Cover
Upper H - Open
L - Close Cover Left
Upper H - Open
L - Close Cover
Face Up H - Open
L - Close
STKF_FD_FU
JOBOFFHOME Stacker Full
Sensor
(Face down)
H - Full
L - Empty
Stacker Full
Sensor
(Face up)
H - Full
L - Empty
Job Offset
Paper-End
Sensor
H:ON
L:OFF
Job Offset
Home
Pos. Sensor
H:ON
L:OFF
REG L/R_
DENS_WEIGHT Alignment
Left Sensor AD Value:
***H Alignment
Right Sensor AD Value:
***H Media
Weight
Frequency
HEATER
THERMISTER
Upper
Center
Thermister
AD Value:
***H
Lower-
Center-
Thermister
AD Value:
***H
Upper-Side-
Thermister
AD Value:
***H
Detect-
ambient
temperature-
Thermister
AD Value:
***H
HUM_TEMP_OHP
Humidity
Sensor
AD Value:
***H
Temperature
Sensor AD Value:
***H
OHP Sensor
AD Value:
***H
ID UP / DOWN
ID Up / Down
Sensor H - Up
L – Down
RFID COLOR
TAG-K
presence
UID:****H
TAG-Y
presence
UID:****H TAG-M
presence UID:****H TAG-C
Presence UID:****H
DRUM PHASE
Sensor KYMC
K-Drum
Phase
Sensor
Port Level
H, L
Y-Drum
Phase
Sensor
Port Level
H, L
M-Drum
Phase
Sensor
Port Level
H, L
C-Drum
Phase
Sensor
Port Level
H, L
F-RLS SLK BLT
DT-DCT Fuser
Release H:ON
L:OFF Paper Slack
Sensor H:ON
L:OFF Belt Hall IC H:ON
L:OFF Waste Toner
Hall IC H:ON
L:OFF
HALL BELT_
DT-BOX_DCT
Belt Hall IC
H:ON
L:OFF
Waste
Toner Box
Hall IC
H:ON
L:OFF
Waste
Toner Hall
IC
H:ON
L:OFF
DISTNR
FULL_BOX_BOXSP Disposal
toner full H:ON
L:OFF Disposal
toner box H - Not
installed
L – Installed
TNR SPLY SNS
KY_MC K-Toner
Supply
Port Level
H, L Y-Toner
Supply Port Level
H, L M-Toner
Supply Port Level
H, L C-Toner
Supply Port Level
H, L