6 – 9
6.5
Troubleshooting Flow Chart
1
Power is not supplied.
Is the AC cable connected correctly?
Yes
No
Connect the AC cable correctly.
Is fuse F1 on the transformer assy/or F1 on the control/power supply board blown?
No
Yes
Replace fuse (with same type and rating).
Remedied?
No
Yes
End
Does DC + 8V out?
No
Yes
Turn power off, remove printhead, then turn on.
Remedied?
No
Yes
Replace printhead.
End
Replace carriage cable or ribbon feed mechanism.
Remedied?
No
Yes
End
Replace control/Power supply board.
Remove CN3 on driver board.
Measure for any short circuits b 5V, + 40V, + 8V, 0V (EL or EP).
Any short circuit?
No
Yes
Содержание MICROLINE 320
Страница 7: ...1 2 1 2 Options 1 Cut sheet feeder unit CSF Attachment assy 2 Pull tractor assy Single bin CSF...
Страница 8: ...1 3 3 Bottom push tractor unit 5 Serial I F RS 232C 4 Roll paper stand Narrow only...
Страница 36: ...2 28 Figure 2 6 Ribbon cartridge Drive gear Ink reservoir...
Страница 47: ...2 39 Figure 2 14 Change lever Release cam Platen Front release gear arm TOP BOTTOM REAR Pressure rollers...
Страница 49: ...2 41 Paper end sensor Sensor lever Shaded portion A B Paper end lever Bottom paper end lever Figure 2 15 C...
Страница 51: ...2 43 Platen Figure 2 16 Ribbon protector Printhead Carriage frame assembly...
Страница 90: ...5 2 Carriage shaft...
Страница 98: ...5 10 9 Carriage Assy NK2 10 SUS Bearing part of the guide roller EM 30L B...
Страница 119: ...6 21 Replace RS232C board Remedied No Yes End Replace driver board...
Страница 121: ...B 1 B SPARE PARTS LIST...
Страница 122: ...B 2 Figure 11 1 Upper Cover Assy 1 2 3 4...
Страница 124: ...B 4 Figure 11 2 Printer General Assy 6 9 8 2 7 4 5 3 10 1...
Страница 129: ...B 9 Figure 11 4 Carriage Assy 12 9 8 6 14 11 10 1 13 7 5 4 3...
Страница 131: ...B 11 Figure 11 5 Option Spare Parts 1 2 3 4 5 6 7 Pull Tractor Bottom Tractor I F Board...
Страница 145: ...Microline 320 321 Turbo Service Manual Part Number 59273701 Printed in the USA...