Question about OKI MICROLINE 320 Turbo Matrix Printer

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Print carriage will not move, unit goes into error

We have a 320 turbo. Just replaced the print head because print was too light even with new ribbon and space adjustments. Now printer makes noise, carriage only moves a tiny bit, then goes into error (UTL & PROP). Thought gear might of had junk in it, can hear motor run for a second. Took apart, lubricated, cleaned - have same problem. This unit worked OK before I started messing with it. Also, just changed to a new check manufacturer, paper seems much stiffer. Still, tried to get started with no paper & had same symptoms. Thanks for the help!

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  • heidib27 Nov 21, 2008




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Ya you got a bad controller board, replace

cert/oki tech

Posted on Nov 23, 2008

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Hi. Could you please grade the phone support I gave yo.


Posted on Nov 20, 2008

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    Cosma Papouis Nov 24, 2008

    Hello. Would you mind putting the grade on the chat session for me.


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    Cosma Papouis Dec 08, 2008


    Could I please ask you to rate our chat session.



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Any suggestions

Posted on Nov 21, 2008

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Posted on Jan 02, 2017

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1 Answer

Starts off printing normal than fades. new ribbon in it

Check the new ribbon and see if the printer has worn out one spot.
If you move the print head manually side to side the blue knob on the ribbon should spin. If it does not make sure you have the correct ribbon and it is installed correctly.

Mar 08, 2011 | OKI MICROLINE 320 Turbo Matrix Printer

1 Answer

Its not printing

Make sure that you have a good ribbon installed and that the ribbon is advancing as the carriage moves. If the ribbon is not advancing it will only print until the ink has been used up on the section of ribbon stuck in front of the print head. It will also need a new carriage if the ribbon is not advancing.

Dec 21, 2009 | OKI MICROLINE 320 Turbo Matrix Printer

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I have an error message on my 2280+ Serial Printer that says ''Hardware Alarm'' Could you be as kind as to help me with this one please?

The 2280+ will normally display two lines of numbers when it displays a Hardware Alarm error. These numbers give a better idea of what might be causing the problem.

Some things you might want to try are;

1. Power the printer off, and remove the ribbon from the printer. Try sliding the print head from side to side. The print head should be free to move when the printer is powered off. In doing this you can check for any instructions which may be stopping the print head moving.
2. Check the ribbon cartridge, ensure the ribbon cartridge is not jammed, twisted or damaged. Perhaps try powering the printer on with no ribbon and try printing to identify if the ribbon may be causing the problem.
3. Clean the Timing Strip and Carriage shaft.
The Carriage Shaft is the metal shaft that runs the width across the printer. This is the shaft the print head slides across.
The carriage shaft should be clean and free from any type of lubricant. I would recommend cleaning this shaft and any build up of paper dust or other dirt on the carriage shaft this can cause problems with print head movement. If the carriage shaft has any lubricant I would recommend cleaning this lubricant off the carriage shaft.

The Timing strip is a thin plastic strip that runs across the printer just next to the carriage shaft. I would recommend cleaning the Timing Strip with a dry cloth to remove any dirt or dust. The printer uses the timing strip to monitor the position of the print head. If the timing strip is dirty or dusty this can prevent the printer detecting the position of the print head and will cause this type of error.

Other than that you may need to see what other errors are being seen on the pritner.

Nov 03, 2009 | TallyGenicom 2280 Matrix Printer

3 Answers

Problem with new installed printhead

If I remember the 320, there is a head-gap adjustment that is normally moved for replacement of the head and must be reset again. Check your manual for that term; 'Head gap adjustment'

Aug 18, 2009 | OKI MICROLINE 320 Turbo Matrix Printer

1 Answer

Microline 320Turbo 9pin

The problem your having is with the carriage assembly. You'll need to remove the ribbon and printhead. It's the black piece under them. Here's a link to a replacement part for $38.95.

Hope that helps you. :o)

Oct 14, 2008 | OKI MICROLINE 320 Turbo Matrix Printer

2 Answers

Oki 320 Turbo -- Unclear characters in output

If it is not the ribbon, you may have to replace the print head.

Genuine Okidata Print Head

Mfr Part #:

Hope that helps...

Jun 21, 2008 | OKI MICROLINE 320 Turbo Matrix Printer

1 Answer

Okidata 320 Turbo print head carriage slamming

There is a Optical sensor under the print head drive assy. You might have dust blocking this sensor.

Feb 07, 2008 | OKI MICROLINE 320 Turbo Matrix Printer

1 Answer

Printer head adjustments

if you take the cover off on the left or right on the bar the bar where the carriage and head ride, there is a tab that will adjust the head gap, be careful if you get it 2 tight you my damage the print head

also I've see this be a bad head, pins not fireing all the way out.

Nov 20, 2007 | OKI MICROLINE 320 Turbo Matrix Printer

2 Answers

Oki 320 turbo alarm light

check the mesage in your operating mannual

Sep 13, 2007 | OKI MICROLINE 320 Turbo Matrix Printer

2 Answers

Okidata 320/420 printhead not printing aligned.

Clean the large silver rod that runs through the carriage. It is dirty and not allowing the carriage to move as freely as it should. Ideally it should be left dry. Also change the ribbon. The same motor drives the carriage and the ribbon. If it has a bind, the same thing can happen. Hope it helps Ed

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