2 – 25
2.2.3 Head Gap Adjusting (See Figure 2-5.)
The head gap adjusting lever moves back and forth to tilt the carriage frame, altering the gap
between the printhead and the platen.
The adjusting screw, which is connected to the adjusting gear rotates when the adjusting lever
is moved creating a fine gap adjustment. If the adjusting gear is pushed down, the adjusting
screw can be turned with a screw driver to change the coarse gap adjustment.
When the adjusting lever is set to range
➁
~
➄
, the contact attached to the under side of the
carriage cover will connect with the contact of the space motor PC board. The printer will reduce
the printing speed automatically to ensure that adequate printing pressure is maintained for
multipart paper.
Moving the adjusting cam toward the left or right adjusts the guide rail up or down.
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...