3-6 magicolor 330 - Base Engine Service Manual
Primary FIPS: Error Messages

3.3 - Error Message: Black Toner Empty

Black image density is too low.
Logic control on the MCU PWB detected that the ADC Sensor reads the black patch density as being below specifi-
cation and that the reading is either slow to raise or does not raise after the printer attempts to increase density.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The following components are associated with this specific prob-
lem. One or more of these components may have failed partially
or completely. If you cannot isolate the problem using this FIP,
replace each component listed below, one at a time, until the prob-
lem disappears.
• Black Developer (RRP 9.66)
• Black Developer Assembly (RRP 9.65)
• LVPS (RRP 9.119)
• HVPS (RRP 9.120)
• Developer Clutch Assembly (RRP 9.117)
1Replace the Black Toner Cartridge with a new one (RRP 9.58)
Does the error message still appear?
Go to step 2 Problem
solved
2Replace the Dispense Motor (RRP 9.116)
Does the error message still appear?
Go to step 3 Problem
solved
3Replace the ADC Sensor (RRP 9.50)
Does the error message still appear?
Go to step 4 Problem
solved
4Replace the OPC Drum (RRP 9.48)
Does the error message still appear?
Replace the
MCU PWB
(RRP 9.123)
Problem
solved