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7.4.2.(13)
Toner cartridge is not recognized (Error 540, 541, 542, 543)
(13-1) Consumable error
ID unit and toner cartridge
Confirmation Tasks
Is ID unit set in position?
Check whether lock lever of toner cartridge is locked.
Action at NG
Reset normally.
(13-1-1) Mounting condition of Consumable
Confirmation Items
(13-2) Toner sensor error
Toner sensor
Toner sensor
Confirmation Tasks
Does the core of toner sensor get dirty from toner?
By using the switch scanning test function of the maintenance
utility, check whether the sensor is normal. Check whether the
SCAN condition is changed with a white paper covering in
front of sensor.
Furthermore, start the printer with right side cover removed,
and check whether the red lamp of toner sensor blinks over
PRE board.
Action at NG
Wipe the dirt of sensor
off.
Replace the toner
sensor board (PRE
PCB) or main board
(TB3 PCB) or FFC
between PRE-TB3 with
new one.
(13-2-1) Toner sensor condition
Confirmation Items
Y110260-4
d-Color P116 Service Manual
179