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Diagnostic Information 2-47
5055-01x
Map 7 - False “88 <Color> Toner Low/Toner Empty”
Message
Step Questions / Actions Yes No
1 Ensure that the encoder
located at the rear of the toner
set is clean and free of dirt or
paper dust. Is the encoder
wheel clean and free of dirt or
paper dust?
Go to step 2. Clean the
encoder
wheel or
replace the
toner set.
2 Is the toner remaining photo
interrupter sensor clean and
free of obstructions?
Go to step 3. Clean or
replace the
toner
remaining
photo
interrupter.
3 Is the connector of the problem
color properly connected on
the printer controller board?
Magenta - CN18
Yellow - CN21
Cyan - CN19
Black - CN22
Replace the
printer
controller
board.
Properly
connect the
connector.
Service.bk Page 47 Thursday, October 4, 2001 12:20 PM