Brother International PT-9600 Service Manual - Page 20
Tape & Ribbon Feed Mechanism
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UPC - 012502602774
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2.1.3 Tape & Ribbon Feed Mechanism This mechanism consists of the tape feed motor, the gear train, and the roller holder ASSY. Tape Feeding When you load a tape cassette and close the cassette cover, the platen and the thermal head sandwich the tape and ink ribbon (only the tape when using non-laminated thermal film tape cassettes or stamp tape cassettes) inbetween. Also, the tape feed sub roller in the roller holder assy and the tape feed roller inside the tape cassette sandwich the tape (and base paper when using laminated tape cassettes or adhesive base laminated tape) inbetween, as described in Subsection 2.1.2. As the tape feed motor (stepping motor) rotates, the rotation is transmitted via the gear train to the platen idle gear (which rotates the platen gear) and the tape feed gear (which rotates the tape feed roller and the tape feed sub roller at the same rotation speed). Accordingly, the sandwiched tape and ink ribbon will be advanced. (When a laminated tape cassette is mounted, the sandwiched laminated tape, adhesive base tape, and ink ribbon will be advanced together.) The feeding amount of the tape feed sub roller is slightly greater than that of the platen roller. Adhesive base tape Tape feed roller Platen idle gear Tape feed sub roller Platen roller Transparent laminated tape Thermal head Roller holder ASSY Main frame Tape feed roller Sub roller Platen roller Platen idle gear Fig. 2.1-3 Tape Feed Mechanism Tape feed motor II-4
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