Sony UP-D70XR, Service Manual

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3-7
UP-D70XR
Fig. (5)
6. Beginning detection of paper
.
As paper feed is performed while ribbon is sent, ribbon is rewound to the position where after
beginning detection of ribbon. Paper is rewound.
.
At that time, capstan and paper feed roller are rotated reversely.
Paper passes paper edge sensor, and is rewound to just before removing the capstan.
.
Ribbon is sent to true printing position from ribbon code.
.
While ribbon is back tensioned by ribbon supply motor, picture comes to center of the paper by
operating the paper feed roller and capstan, after that the head is pressed to platen.
Fig. (6)
7. Yellow printing
.
Ribbon take-up and ribbon supply motors are rotated so that tension becomes calculated value from
ribbon diameter.
.
After capstan is rotated 1mm without loading, yellow color printing is performed. At that time,
until paper is separated from separation roller, paper feed roller is rotated with printing speed.
.
After printing, paper feed roller is rotated 0.5 mm without loading.