Problems / Solutions - Oki ML620 User Manual

Problems / Solutions

Use the following table to help identify symptoms and possible causes and solutions.
PROBLEM
No power
No power
No printing takes place
indicator is unlit.
SEL
indicator is illuminated
SEL
but no printing takes place.
The printhead is moving but
no printing takes place.
Print position offset
The horizontal printing
position is offset.
CAUSE
The power cable in not properly connected.
Power outlet problem or power outage.
The printer driver is not installed properly.
The printer has just stopped printing.
There is no paper in the printer.
Interface cable is disconnected.
Wrong interface cable attached.
The ribbon cartridge has not been installed.
The start position may change after the
printer is powered on.
SOLUTION
Check that the power cable is properly
connected at both the power outlet and the
printer.
Plug another appliance into this outlet to
check if it works.
Re-install the printer driver correctly.
Press the key.
SEL
Load paper
Reconnect the interface cable.
Use correct interface cable.
Install the ribbon cartridge.
When the printer is powered ON, switch from
off-line mode to on-line mode by pressing
the key. Reset the start position. You
SEL
must set the Power Switch to OFF before you
change the start position.
ML620/ML621 User's Guide