5-18
Confidential
1.3.9 Sensor Operational Check (Maintenance mode 32)
< Function >
This function checks whether sensors work normally.
< Operating Procedure >
(1) Press the 3 and 2 keys in this order in the initial stage of the maintenance mode.
The machine sounds 1,100 Hz and 400 Hz tones cyclically through the following
volumes for testing the speaker:
Note: To stop beeping, press the SET key.
The LCD shows the 1st sensor group "DFDRCVRSCCPGCPAC."
(2) Press the Mono Start key to switch to the next sensor group.
If asterisks (**) appear on the LCD, it means that the corresponding sensor does
not exist on the model.
Given below is the relationship between the LCD indication, sensor name and sensor status.
LCD
Sensors Sensing status (display/no display)
DF ADF document detection sensor No document/Document present
DR Document scanning position sensor No document/Document present
CV Document scanner sensor Document scanner closed/Document scanner opened
RS Registration sensor
No recording paper/Recording paper present
CC Ink cartridge cover sensor Cover closed/Cover opened
PG Purge cam sensor Out of origin/Origin
CP Cap cam sensor Out of origin/Origin
AC ADF cover sensor Cover closed/Cover opened
IK Ink cartridge detection sensor (K) Cartridge present/No cartridge
IY Ink cartridge detection sensor (Y) Cartridge present/No cartridge
IC Ink cartridge detection sensor (C) Cartridge present/No cartridge
IM Ink cartridge detection sensor (M) Cartridge present/No cartridge
EK Ink remaining sensor (K) Ink present/No ink
EY Ink remaining sensor (Y) Ink present/No ink
EC Ink remaining sensor (C) Ink present/No ink
EM Ink remaining sensor (M) Ink present/No ink
ST T1 detection sensor Paper tray #1 present/No paper tray #1
LT
*1
T2 detection sensor Paper tray #2 present/No paper tray #2
MP
*2
MP paper detection sensor
No recording paper/Recording paper present
SB Switchback sensor
No recording paper/Recording paper present
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