Oki ML6300 User Manual page 49

PROBLEM
Printing slows down
Print direction changes
suddenly to
unidirectional .
PE warning
The print carriage does
not operate.
Print blurring
The characters are too
pale to display properly
on the paper.
A line of print is
missing.
CAUSE
When the print head
overheats, the printer
automatically starts
unidirectional split
printing.
There is contamination
on the carriage shaft.
The Paper Thickness
lever position does not
match the paper.
The printer is set to
print at high speed.
The ribbon has reached
its end of life.
The ribbon cartridge is
not installed correctly.
The ribbon has been
wound incorrectly.
The ribbon is not
transferring properly.
Broken wire pins.
Troubleshooting > 49
ACTION
When the print head
temperature drops
sufficiently, the printer
will return to its original
operation.
Clean any paper dust
and contamination from
the carriage with a dry
cloth.
Correct the Paper
Thickness lever setting.
Set the speed to
normal.
Replace the ribbon by a
new one.
Reinstall the ribbon
cartridge correctly.
Replace the ribbon
cartridge by a new one.
Replace the ribbon
cartridge by a new one.
Contact your dealer.