Unit Replacement Priority Chart - Star Micronics LC-1011C Technical Manual

TROUBLESHOOTING
2.

Unit Replacement Priority Chart

Problem
Category
Details
Specific display
lamp only will
not glow
Specific switch
only cannot be
input
Buzzer does not
sound (sound
volume
inadequate)
Strange sounds
during operation
No motor
holding power
(power very
weak)
Dots skipped
Print is too light
Ink ribbon
entanglement
(wire sticks out)
Absence of paper
not detected
Lever position
not detected
Incorrect printing
Ink ribbon not
forwarded
No operation at
DIP switch setting
Faulty operation
when power is
turned on/off
Abnormal motor
operating speed
(slow)
Fuse blown
during operation
Heat sensor error
CR error (home
position )
Loading error
RAM & EE-
PROM check error
Watch dog timer
error
Ribbon change
error
Unit Exchange Sequence
Power Main
supply unit logic board
2
2
1
1
2 1
2
2
2
2
1
1
1
1
1
3
1
2
2
2
1
1
2
Note: The figures 1, 2 and 3 mean the priority of replacement.
– 48 –
Printer Control
mechanism panel board
1
1
2
2
1
1
1
1
2
1
2
2
2
1
1
1
1
Remarks
Replace ink ribbon
Check I/F cable
EDS mode
"DRAFT"
lamp blink
"COURIER"
lamp blink
"DRAFT+10 CPI"
lamp blink
"COURIER+10 CPI"
lamp blink
"DRAFT+COURIER"
lamp blink
"DRA+COU+10"
lamp blink