Oki ML1120 User Manual page 64

PROBLEM
Print blurring
The characters are too
pale to display properly
on the paper.
A line of print is
missing.
The printout differs from the screen display.
Printout of completely
different characters or
symbols.
ML1120/ML1190 User's Guide – Troubleshooting > 64
CAUSE
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.
Incorrect print setup for
the user application.
The application control
codes for the previous
print operation are still
enabled.
The input application
control signal is not
correct.
The interface cable is
not properly connected.
ACTION
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.
Reselect print setup for
the applications
according to priority.
Initialise the printer.
Print in hex dump mode
and verify the data
content. Make
corrections in the
application.
Reconnect the cable
correctly.