Laser Printer Service Manual

3-76 magicolor 330 - Base Engine Service Manual
Primary FIPS: Error Messages
3.76 - Error Message: Yellow Toner Low
The Yellow Toner Cartridge is low on toner.
Logic control on the MCU PWB switched on the Dispense Motor for more than 800 seconds in order to raise the
image density to normal.
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.
• Wiring and connectors linking the components
• Yellow Developer Assembly (RRP 9.59)
• OPC Drum (RRP 9.48)
• HVPS (RRP 9.120)
1
Replace the Yellow Toner Cartridge (RRP 9.55).
Does the error message still appear?
Go to step 2 Problem
solved
2
Replace the Dispense Motor Assembly (RRP 9.116)
Does the error message still appear?
Go to step 3 Problem
solved
3
Replace the ADC Sensor Assembly (RRP 9.50)
Does the error message still appear?
Go to step 4 Problem
solved
4
Replace the MCU PWB (RRP 9.123)
Does the error message still appear?
Go to suspect
components
Problem
solved