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4-13. PAPER FEEDING MECHANISM BLOCK
4-13-2
Manual Paper Feeding Mechanism Block
The paper leading mechanism block consists of paper guide A
unit paper guide <B|. rubber roller, electromagnetic clutch, oears
for power transnuseion snd manual knob
Here, it is separated
into the 2 blocks <t paper feeding
mechanism block during printing operation, and manual paper
feeding block using a manual knob.
4-13-1- Paper Feeding Mechanism Block during
Printing Operation
Thu paper feeding mechanism block during printing operation
consists ot paper guide A unit paper guide B. rubber roller,
electromagnetic clutch, electromagnetic clutch spring, gear
plate, pnper feeding gear end paper feeding gear Btoppflr.
This printer carries out carnage column raising, column return
and paper feeding with a single stepping motor. Accordingly, it
is so Structured that motor rotation is tntnsmittod to paper
feeding block only whun power is applied to the electromagnetic
clutch. To explain in further detail, the paper feeding gear is
engaged with the pulley gear, and the paper feeding gear is
further pressured into die gear plate. During normal printing
column raising and column lowering states, the electromagnetic
main body and gear plate ere separated by the electromagnetic
clutch tpnng.
Accordingly, the gear plate runs idle during printing column
raising end column lowering.
When carrying out paper feeding operation draw the wire
stopper within the carriage to the left edge, and apply power to
electromagnetic clutch and rotate maximum 40 steps (2-2
phase) in the direction ol column raise, and cut oil power. (1/12'
paper feeding can be made at 2-2 phase 40 steps)
By performing the above, rho rubber roller which coincides with
the electromagnetic dutch rotates and thereby carries out paper
feeding
Also, when paper leading is conducted continuously, repeat the
normal and inverse rotation of
the
motor and also repeat the on
and cfl operation ol power application ol the electromagnetic
clutch, and thereby feed the paper. Moreover, when the normal
and inverse rotation of the motor and the timing
ot
ort/olf
ot
electromagnetic clutch power applcation are inversed. tnc
paper can tin led inversely.
The manual paper feeding mechanism block consiat* of manual
knob unit, manual idlr guar, rubber roller guar, manual knob
spring and paper guide A unit paper guide B. and rubber roller
wruch
arc
the
structural
element
of
the
paper
leading
mechanism dwitg printing operation.
8
v depressing the manual knob. It engages manual idle gear
The manual idle gear is always In engagement with (ha rubber
roller gear so that the rotation of the manual knob is transmitted
to the rubber roller and thus the paper is fed.
In this case, the paper can be sent out normally or inversely by
altering the direction ol the manual knob By eliminating the
pressure applied to the manual knob, the manual knob is thrust
up with the manual spring and the engagement with the manual
idle gear is released.
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PRNT24IAE)
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