8-17 Confidential
LCD Sensors Sensing status
DF
DR
DL
DS
FC
FH
CV
Document front sensor
Document rear sensor
ADF document separation
sensor/Size sensor
ADF document SB sensor
FB cover sensor
Document scanner home
position sensor
Front cover sensor
No document detected.
No document detected.
Document detected.
No document detected.
Document cover closed.
CCD unit home position detected.
Front cover detective
(2) Change the detecting conditions to check that the indication on the LCD changes
according to the sensor states. For instance, insert paper through the document front (or
rear) sensor or the registration sensor (s), open the front cover or the document cover,
remove the toner cartridge, jam paper at the paper outlet, insert paper from the manual
feeder, and load a recording paper tray, etc.
(3) Press the [Stop/Exit] key. The machine beeps for one second and returns to the initial
stage of the maintenance mode.
NOTE: If you have opened and closed the front cover during the above procedure, you need
to open and close the front cover again upon completion of the procedure.
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