—
— 73
(*) Confirm the voltage at each terminal in the table below:
Checkpoint
Pin 3 of U2, U3, U4
R54
Specified value
Approx. 24 V
Approx. 5 V
4
Does the printer not
Replace main PCB.
END
Yes
No
4 Self-test is not normal.
END
OK?
No
Yes
perform at all?
Replace printer
mechanism assembly.
Is the output voltage
of the regulator circuit on
the main board within
the specified
range?(*)
END
OK?
END
No
Replace the mechanism.
No
Replace the main PCB.
Yes
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 ...