
REV.-A
Table 5-7. Printer Mechanism Unit Repair (cent’d)
Problem
Symptom
Csuse
Checkpoint
Solution
Ribbon feed is
The ribbon
feed
The ribbon slips
Verify that the ribbon is
Replace the
rib-
defective.
quantity is not
inside the ribbon
fed when the ribbon car-
bon cartridge.
uniform.
cartridge.
tridge is dismounted and
the knob is rotated manu-
ally in the direction of
the arrow.
Paper becomes The paper be-
The ribbon mask Verify that the ribbon
Reset the ribbon
stained.
comes ink
is in the incorrect
mask is in the correct
mask.
stained where
position. position.
printing is not
The paper thick-
Check that the set
posi-
Place the lever in
performed.
ness
lever is not
tion of the paper
thick- the right
set at the correct
ness
lever is proper for
position.
position.
the paper.
The platen gap is Perform
adjust-
not properly ment according
adjusted.
to Section 4.3.1
“Platen Gap
Adjustment”.
Printing is per- Printing does
The paper end
Verify that the switch
Replace the
pa-
formed after the not stop after
sensor is
clicks when the paper
per end sensor.
end of the paper
the end of the defective.
end sensor lever is
or without paper.
paper.
approached.
5-18
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