Maintenance & Troubleshooting
Error Message
REPLACE DRUM
NO CARTRIDGE
BYPASS JAM
DUPLEX JAM
LINE BUSY
7-4
Description
When the machine has encoun-
tered the end of life, 15000 print
pages.
The machine detected the toner
cartridge has not been installed.
The machine has detected no
feed from bypass Tray.
The machine detected a duplex
jam in the middle of machine.
The remote FAX didn't answer
August 2001
Solution
The drum has reached the end
of it's life, install a new ELA-
OPC UNIT SET, PL 1-7.
Check that the toner cartridge
is fully seated in the machine.
Clear the jam.
Clear the jam.
Try again.
WorkCentre Pro 412
Launch Issue