Okidata Microline 520 Service Handbook
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Brand: OKIDATA
Category: Printer
Type: Service handbook
Model: OKIDATA Microline 520 , OKIDATA Microline 521
Pages: 321
Cut Sheet Paper Feed Operation
As the line feed motor rotates, power is
transferred through the decelerating
gears (line feed idler gear, platen gear)
to the platen.
When using cut sheet paper, the change
lever must be in the TOP position so the
platen and pressure rollers can feed the
paper. This also disengages the push
tractor.
Continuous Paper Feed (Rear Tractor
Mechanism)
As the platen rotates, power is
transferred to the tractor gear from the
platen gear, the idler gear, and the
change gear. The tractor gear drives the
pin tractor belts, which feed the
continuous paper.
Continuous Paper Feed (Pull Tractor
Mechanism)
Bottom feed of continuous sheets is
possible only when an optional pull
tractor unit is installed.
As the platen rotates, power is
transferred to the drive gear from the
line feed idler gear, the platen gear, idler
gear B and idler gear A. The drive gear
turns the pull tractor assembly, which
feeds the continuous paper.
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Principles of Operation 2 - 32 Microline 520/521 Service Handbook
P/N 59257803