TM 5-6675-320-14
Table 4-24. DIRECT/GENERAL SUPPORT TROUBLESHOOTING - Cont
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
PLOTTER IS TOTALLY INOPERATIVE. PEN WILL NOT MOVE - Cont
Step 2. Check fuse for continuity.
(a) If continuity is present, proceed to step 3.
( b ) I f c o n t i n u i t y i s n o t p r e s e n t , r e p l a c e f u s e.
Step 3. Check that line voltage selection switches are set to 120 V .
(a) If line voltage selection switches are correct, proceed to
step 4.
( b ) C o r r e c t s w i t c h s e t t i n g s .
Step 4. Check that power supply outputs are correct.
See Malfunction 9 (Power Supply Failure) to continue
troubleshooting.
2.
PLATEN DOES NOT HOLD PAPER.
Step 1.
Open plotter. Check that platen wiring connector is tight.
( a ) I f t i g h t , p r o c e e d t o s t e p 2.
(b)
If
loose,
tighten
connector.
Step 2.
Check A6, J101, pins 1 and 2 to be sure platen drive voltage is
greater than or equal to 500 V ac.
If voltage is not present, replace A6 (paragraph 4-29.7).
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