Star Micronics LC-20 User Manual page 99

Dot matrix printer
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If the print is faint,or uneven,checkthe following:
Check
Possible remedy
Is the ribbon properly in-
Check and reinstall ifnecessaxy.
stalled?
Is the ribbon worn out?
The ribbon has a long tife, but will eventually need re-
placing. Fit a new ribbon cartridge if necessary.
If dots are missingin the printing,checkthe following:
I Check
I Possible remedv
Are dots missing at random
in the printing?
Isa line of dots missing con-
sistently
throughout the"
ptiting?
The ribbon has become slack causing it to get caught
up. Stop printing, remove the ribbon cartridge, reten-
sion and replace it.
The print head is darnaged. Stop printing, and contact
your supplier for a new print head
If your applicationsoftwarecannotprint the fonts or charactersselected,
checkthe following:
Check
Is your application software
properly installed?
Are fonts not being selected
properly?
Are characters other than
those
expected
being
primed?
Possible remedv
Check the software installation, andre-install the soft-
ware if necessary.
Check the software installatio~ and insert the com-
mands necessary for font changes into the software.
Eitheryou areusing the wrong International Character
Set (reset with DIP switches or software commands),
or you have the wrong character set selected (for
example if characters other than IBM block graphic
characters are being printed). Correct this with DIP
switches or the appropriate software sequences.
If the printoutis not whatis expected:
1 Check
I Possible remedv
Is the printer installed cor-
rectly?
I
Your software may think that it is driving a different
emulation to the one actually set. Check the DIP switch
settings to make sure you have the right emulation.
Usethe Hex Dump mode to analyze the output from the
computer to the printer. This witt enable you to deter-
mine that the right escape sequences, etc are being
mmsmitted.
91

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