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4.2.22 Transducer Position (Character
Cutoff)
Adjustment
The type belt guard, transducer mounting
block, and the type belt guide roller are sepa-
rate parts but move as one unit when assem-
bled. The right end of the assembly is spring
loaded to the print unit. The left end is fastened
to the print unit with a mounting screw
B.
When an adjustment is made, loosen only the
left mounting screw. If the screw in the type
belt guide roller is loosened, move the roller
toward the transducer and tighten the screw
firmly.
1.
2.
Perform the transducer assembly service
check (4.2.19).
Check the potentiometer adjustment
(4.2.21).
3.
Install six-part forms if available; if not,
use any multiple-part forms and set forms
thickness control accordingly.
4.
Print a pattern of Hs by running program
I D PRT9. Check for general character
cutoff on every other position across the
entire print line.
5.
Make adjustment by loosening the screw
B '
inserting a screwdriver at
EJ ,
and adjusting the assembly minimum
cutoff across the print line.
c-----o~
Type Belt Guard
Transducer
Guide Roller
4-42
4.2.23 Hammer Flight Time
(50, 100, and 155 Ipm)
1.
2.
3.
4.
5.
6.
Remove the printer covers.
Raise the card gate.
Set the forms thickness control to 6 and
install six-part forms if available; if not,
use any multiple-part forms and set con-
trol accordingly.
Print a test pattern of Hs by running pro-
gram I D PRT9.
Check for character cutoff on the sixth
copy.
Adjust the hammer stop screw
Ii
until
the hammer prints without character
cutoff on the"last sheet.
7.
Close the card gate and replace the covers.
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