Error
Description
Diagnostic Action
No Printing
l.
Does print head carriage move back and
r
forth normally when attempting
to
print?
YES: Go
to
page 1400-20, "Row(s)
of
Print Dots Missing."
NO:
Go to step
2.
2. Check for a loose
or
broken carriage belt.
Replace
if
broken. Adjust
if
loose. (See
Section 3, "Removal/Replacement.")
3. Remove ribbon cartridge.
Tum
knob
on
cartridge
to
check for jamming. Replace
if
jammed. (See Section 3, "Remova1/
Replacement.
")
4. Check print head for broken wires. Replace
~
print head
if
wires are damaged. (See
Section 3, "Remova1/Rep1acement.")
5. Position Printer Power switch
to
OFF.
Move print head assembly. Check for
smooth mechanical operation.
Smooth operation?
YES: Go
to
step
6.
NO: Check for worn
or
broken gears
in
Carriage Drive assembly.
Gears worn
or
broken?
YES: Replace Carriage Drive
assembly. (See Section 3,
"Removal/Replacement.
")
r-
NO: Replace Print Mechanism
assembly. (See Section 3,
•
"Removal/Replacement.
")
1400-11
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