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$0072
Disk or
planar board
$0076
Disk or
p l anar board
$00 7 7
Disk or disk drive
$00 7 8
Hard disk controller
board
2 . 1 0
PRINTER/PLOTTER PROBLEMS
Printer/ p l otter prob l ems may arise from a printer/plotter control board
malfunct ion,
from a mechanical malfunction in the printer /plotter , or
from loose or defective cab l ing .
When a fault is narrowed to the printer/plotter control board, the board
must be replaced .
When the fault is narrowed to the printer/plotter, the
printer/p l otter must be replaced unless the fault is due to a worn
damaged r ibbon or guide wire .
customer - replaceab l e units on the printer/plotter .
listed
Use the sympt oms
CRUs .
Where necessary, refer to optional checks in other sections of the
manual to narrow the fault to one CRU .
each column of the chart to reference the Cause/Solution .
one number is l isted, the Cause/Solut ion may be any one .
the chart s ignify that the symptom l isted is true .
Reformat disk and repeat operat ion .
I f fault pers ists , perform opt ional
check .
and Disk Checks . "
Reformat disk and repeat operat ion .
If fau l t pers is t s , perform opt iona l
check .
and Disk Checks . "
Reformat disk and repeat operat i on .
If fau lt persists, replace disk
drive .
Verify presence of hard disk
control ler board .
is plugged in.
If fault persists , replace hard
disk c ontrol ler board .
The ribbon and the guide wire are the on ly
on this chart to is olate a fault to one or more
Use the numbers at the bottom of
See Sect ion 3 . 8, " Diskette
See Sect ion 3 . 8 , " Diskette
Make sure board
Repeat operation .
Where more than
The bul l ets in
Fault Detection 2 - 2 1
or
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