85Intermec EasyCoder 501 – Service Manual Ed. 7
Chapter 10 Ribbon Save Device
10.8 Ribbon Rewind
Description
The ribbon rewind spool is driven by a separate stepper motor con-
nected to P-2 on the connection board. The stepper motor is fi tted
to the chassis by means of three #T20 Torx screws, two of which
run through oblong holes that allow the tension of the belt to be
adjusted. The lower leg of the stepper motor assy. runs through a
bracket at the top of the headlift mechanism to give the latter addi-
tional support.
Replacement
To replace the belt, the stepper motor unit must be removed. After
fi tting a new belt, adjust as described below.
Adjustment
Loosen the three #T20 Torx screws and rotate the stepper motor
assy. until the belt becomes tight but still runs smoothly. Adjust-
ment of the ribbon rewind unit is usually not required.
#T20 Torx Screws
Chassis
Ribbon Rewind Unit
Belt
Bracket
Stepper Motor
Bracket
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