During printing, the paper feed motor is driven after each line is printed, causing the paper to be
fed a specified amount. While the
FEED button on the control panel is pressed, the paper feed
motor is driven and the paper roll is fed.
Ribbon Feed Mechanism Unit
The ribbon feed mechanism unit consists of the parts shown in the figure below. The printer
feeds the ribbon automatically as the carriage motor rotates.
Figure 2-8 Paper feeding
Figure 2-9 Ribbon feed mechanism unit
Paper roll
Paper feed roller
Paper feed
Paper feed
Paper feed gear
Paper hold roller
reduction gear
motor gear
Ribbon intermediate gear
Ribbon cassette
Ribbon take-up
assembly
Ribbon drive
plate assembly
Ribbon transmission
gear
Ribbon frame
assembly
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Содержание UP-250
Страница 1: ...EXTERNAL PRINTER FEB 2000 MODEL UP 250 without price TECHNICAL MANUAL ...
Страница 95: ... 86 END END Yes No Action 4 Replace main PCB Replace printer OK Action 4 mechanism assembly ...
Страница 136: ... 127 ...
Страница 149: ... 140 Main Circuit Board Parts Layout ...
Страница 150: ... 141 RS 232 Serial Interface Circuit Board Parts Layout ...
Страница 151: ... 142 IEEE 1284 Parallel Interface Circuit Board Parts Layout ...
Страница 152: ...RS 485 Serial Interface Circuit Board Parts Layout 143 ...
Страница 159: ... 150 Printer Mechanism Unit Lubrication Points Diagram 1 O 10 2 G 31 6 G 31 7 G 31 5 G 31 7 G 31 8 G 31 ...
Страница 160: ... 151 Case Unit Lubrication Points Diagram 4 G 31 4 G 31 3 G 31 3 G 31 ...
Страница 163: ... 154 EXPLODED DIAGRAM FOR TM U200B U210B NO 1 ...
Страница 164: ... 155 EXPLODED DIAGRAM FOR TM U200B U200PB U210B U210PB NO 2 ...