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When minor Problems occur, you tan identify the Cause of the Problem by pressinp
and holding MODE. Table 5-2 Iists each indication and correspondin= corrective
MODE
SELECT
On
On
Off
On
On
Off
Blink
Blink
Off
Blink
On
Blink
On
Sometimes minor printing Problems which are not signalled by lights tan occur.
Table 5-3 assists you in solvinp these Problems.
Problem
Does not print. All lights are off.
The power is on but the Printer
does not print.
The Printer prints one line
in two unidirectional strokes.
the Page.
Print is smudged.
selected, the Printer prints one line
in several Passes (multi-pass print).
Problem Solving and Preventive Maintenance 33
Table 5-2 Minor Problem Soiving I
Meaning
Intemal Printer program error.
Intemal Printer program error.
Input voftage error.
Power supply circuit error.
Mechanism error.
is unable to accept
downfoaded data.
Table 5-3 Minor Problem Solving II
Power is Off.
The interface cable is
not connected properly.
Print head temperature is
too high.
Ribbon is not instailed correctly.
Ribbon needs replacing.
Paper thickness setting
lever is set incorrectly.
Paper thickness setting
Printers feature.
Conective Action
Change buffer capacity to 512 B" or '4 KB"
by changing memory switch setting
(see Section 3).
Action
Plug the power Cord into the electrical
Turn off the power and connect the
No Problem. When the pnnt head
automatically retums to normal Operation.
Move Paper to the top of Page.
Reinstall nibon cartridge (see page 3).
Replace ribbon cartridge (see page 3).
No Problem. When printing highdensity
dot data such as bit image data, the
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