2 – 20
Figure 2-2 Arrangement of the head pins
View from the tip of the printhead
(1)
The printhead configuration
The printhead is composed of the following parts:
(a)
Wire guide
(b)
Spring assembly (Wire, Armature, Spring, Yoke, Spacer)
(c)
Magnet assembly (Magnet, Core, Coil, Yoke)
(d)
Printed circuit board
(e)
Fin
2.2
Mechanical Operation
2.2.1 Printhead Mechanism and Operation (See Figure 2-2.)
The printhead is a spring charged 9-pin driving head using a permanent magnet. It is attached
to the carriage, which moves parallel to the platen. Electrically, this unit is connected to the
control circuits through the control board.
Summary of Contents for MICROLINE 320
Page 7: ...1 2 1 2 Options 1 Cut sheet feeder unit CSF Attachment assy 2 Pull tractor assy Single bin CSF...
Page 8: ...1 3 3 Bottom push tractor unit 5 Serial I F RS 232C 4 Roll paper stand Narrow only...
Page 36: ...2 28 Figure 2 6 Ribbon cartridge Drive gear Ink reservoir...
Page 51: ...2 43 Platen Figure 2 16 Ribbon protector Printhead Carriage frame assembly...
Page 90: ...5 2 Carriage shaft...
Page 98: ...5 10 9 Carriage Assy NK2 10 SUS Bearing part of the guide roller EM 30L B...
Page 119: ...6 21 Replace RS232C board Remedied No Yes End Replace driver board...
Page 121: ...B 1 B SPARE PARTS LIST...
Page 122: ...B 2 Figure 11 1 Upper Cover Assy 1 2 3 4...
Page 124: ...B 4 Figure 11 2 Printer General Assy 6 9 8 2 7 4 5 3 10 1...
Page 129: ...B 9 Figure 11 4 Carriage Assy 12 9 8 6 14 11 10 1 13 7 5 4 3...
Page 131: ...B 11 Figure 11 5 Option Spare Parts 1 2 3 4 5 6 7 Pull Tractor Bottom Tractor I F Board...
Page 145: ...Microline 320 321 Turbo Service Manual Part Number 59273701 Printed in the USA...