4/
Care and
Maintenance
Except for
ordinary setup and cleaning,
maintenance
work
should
be performed
only
by a qualified service technician.
Of course, you can and should
perform standard
cleaning
procedures
just as
you would with any office
typewriter. Clean the
Platen, Print Wheel,
and other
parts with
standard typewriter cleaning fluid
(use a soft, lint-free
cloth).
Some
do's and don'ts
to
assure
maximum performance
and reliability
from your
Printer:
DO
DON'T
Plug
power cord into
3
-wire
grounded
outlet.
Position
Printer on
a
firm,
flat, clean
surface.
Use
only
a
lint-free cloth
to clean
Printer
Case. Mild
detergent solution
can be used sparingly.
Insure that all covers are
closed
and secured before
operating.
Turn off power
before
making any
adjustment.
Operate Printer
in environments
of high
dust or dirt
content,
high
temperature
or
humidity.
Place any
object on any part of
Printer (if
anything falls inside
the Printer,
turn Printer
power off
and
carefully remove the
object).
Use alcohol, solvents or harsh cleaning
agents
on any part of the Printer.
Operate Printer
without paper
(if paper less
than 1
3"
wide, take
care not
to
print lines
too long for
the
paper).
TROUBLESHOOTING
If the Printer fails
to
operate properly,
try to solve the problem
as
follows:
1
.
Power
ON
Indicator
does not turn on.
•
Check
to
see if the
AC
cord
is plugged securely into
appropriate
power
source.
•
Check the fuse. If
blown, replace with the -one
of the same type/rating.
2. No communication with
TRS-80.
•
Check
to see if the interface cable is properly
connected.
•
Check
to
see if the Line
ON/OFF
switch is
ON.
3.
Printer will
not
print.
•
Insure that the Front Cover is closed.
•
Check and change Ribbon if necessary.
•
Perform Self Test to insure the Printer
is
internally
capable of printing.
•
Insure
that the Print
Wheel
is locked into position.
•
Check
if
anything
has
fallen
into the mechanism that is physically
obstruct-
ing the
Carriage
movement.
19
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