—
— 70
(See Replacing the fuse in Chapter 5)
1
Connect power supply cable properly.
Replace external power supply.
Replace Fuse F1
Replace main PCB
OK?
OK?
OK?
Is power supply
cable connected
properly?
Does external power
supply have proper output
voltage rating? (approximately
+40 V in no-load
condition)
Has fuse F1 on
main PCB blown?
End
End
End
End
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
1 POWER LED does not light
Yes
Make sure main PCB does not
have any damage such as burns.
Summary of Contents for UP-250
Page 1: ...EXTERNAL PRINTER FEB 2000 MODEL UP 250 without price TECHNICAL MANUAL ...
Page 95: ... 86 END END Yes No Action 4 Replace main PCB Replace printer OK Action 4 mechanism assembly ...
Page 136: ... 127 ...
Page 149: ... 140 Main Circuit Board Parts Layout ...
Page 150: ... 141 RS 232 Serial Interface Circuit Board Parts Layout ...
Page 151: ... 142 IEEE 1284 Parallel Interface Circuit Board Parts Layout ...
Page 152: ...RS 485 Serial Interface Circuit Board Parts Layout 143 ...
Page 160: ... 151 Case Unit Lubrication Points Diagram 4 G 31 4 G 31 3 G 31 3 G 31 ...
Page 163: ... 154 EXPLODED DIAGRAM FOR TM U200B U210B NO 1 ...
Page 164: ... 155 EXPLODED DIAGRAM FOR TM U200B U200PB U210B U210PB NO 2 ...