Oki MICROLINE 621 Users Guide - Page 82

Problems / Solutions, PROBLEM, CAUSE, SOLUTION

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Problems / Solutions Use the following table to help identify symptoms and possible causes and solutions. PROBLEM No power No power No printing takes place SEL indicator is unlit. SEL indicator is illuminated but no printing takes place. The printhead is moving but no printing takes place. Print position offset The horizontal printing position is offset. CAUSE SOLUTION The power cable in not properly connected. Power outlet problem or power outage. 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. 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. Re-install the printer driver correctly. Press the SEL key. Load paper Reconnect the interface cable. Use correct interface cable. Install the ribbon cartridge. The start position may change after the printer is powered on. When the printer is powered ON, switch from off-line mode to on-line mode by pressing the SEL key. Reset the start position. You must set the Power Switch to OFF before you change the start position. ML620/ML621 User's Guide 82

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