2-8 Service Manual
5021-0XX
990
Transfer belt (transfer
unit) error
Indicates unstable transfer belt rotation; color
matching cannot be secured.
Go to “990—Transfer belt unit service check” on
page 2-65.
991
Transfer roller clutch
error
Indicates a problem with transfer roller cable
connection.
Go to “991—Transfer roller clutch service check”
on page 2-67.
992
Cleaning roller clutch
error
Indicates a problem with transfer unit cleaning roller
clutch cable connection.
Go to “992—Transfer belt cleaning roller clutch
service check” on page 2-68.
993
Fuser clutch error
Indicates a problem with fuser clutch cable
connection.
Go to “993—Fuser clutch service check” on
page 2-69.
994
OPC belt marker
sensor error
Indicates marker on OPC belt (photodeveloper
cartridge) is not being properly detected by marker
sensor.
Go to “994—OPC belt marker sensor service
check” on page 2-70.
995
Charger HV unit error
Indicates a problem with HVPS charging voltage
supplied to the OPC (photodeveloper cartridge)
charging unit.
Go to “995—High voltage power supply (HVPS)
service check” on page 2-72.
996
LVPS error
Go to “996—Low voltage power supply (LVPS)
service check” on page 2-74.
Error code Action
