Specifications

REV.-A
TsIhla 5-!5. Ranair nf Printer Mechanism (Continued)
‘1
‘)
. ---- - -- ------- -- -
------- ---- —-- —.. .— ---
, . . . ,
Problem Symptom Cause
Checkpoint
Solution
The ribbon feed is
The ribbon is not
The ribbon
Dismount the ribbon
Replace the
abnormal.
fed. cartridge is
cartridge, rotate its
ribbon cartridge.
defective.
knob manually, and
check whether the
ribbon feeds
normally.
Foreign substances
Check whether the
● Remove any
are caught in the ribbon driving gear
foreign substance.
gears. rotates when the
● Replace the .
carriage is moved
ribbon-feed
manualty.
mechanism.
The ribbon feeds The planetaty lever Move the carriage
Replace the
properly only when
is defective.
manually, and check
tibbon-feed
the carriage moves
whether the planetary mechanism.
in one direction
lever turns in reverse
(i.e., it fails to feed
and engages the
when the
cam.age
gear.
moves in the other
direction).
Paper becomes Ink stains appear The ribbon mask is Check whether the
Reinstall the
stained.
on areas where not mrrectly
ribbon mask
.S in the
n!bbon mask.
there is printing. positioned.
correct position.
The platen gap is
Set the gap adjust
Adjust the gap.
not adjusted.
lever to the second
Refer to Section
position, and check
4.1.2 P/aten Gap
the gap between the
A@stment.
tip of the printhead
and the platen.
The appropriate
value is 0.46 mm.
Printing
mntinues
Printing continues The paper-end
Check the paper-end
Replace the ~
after the paper
past the paper end.
sensor is defective.
sensor switch.
paper-end sensor. ~•••y;n•
ends or when no
paper is loaded.
5-19