The TM-U950

Welcome to "Repairing the TM-U950 receipt / journal printer. "

Here you'll find repair procedures to help you quickly repair the TM_U950. Also, maintenance procedures to help keep your printer out of the repair depot.    

Getting Started
The most common cause of failure is paper dust.    
When things move with difficultly because of increased friction, the printer will fail.  The most effective maintenance procedure is to keep the printer clean and free of paper dust.  Maintenance Procedure


The TM-U950 has stopped working
If the TM-U950 has stopped working notice the error light on the control panel, on the printer. The error light will try to tell you the problem it's having using a sequence of blinks on and off.

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The TM-U950

Welcome to "Repairing the TM-U950 receipt / journal printer. "

Here you'll find repair procedures to help you quickly repair the TM_U950. Also, maintenance procedures to help keep your printer out of the repair depot.    

Getting Started
The most common cause of failure is paper dust.    
When things move with difficultly because of increased friction, the printer will fail.  The most effective maintenance procedure is to keep the printer clean and free of paper dust.  Maintenance Procedure


The TM-U950 has stopped working
If the TM-U950 has stopped working notice the error light on the control panel, on the printer. The error light will try to tell you the problem it's having using a sequence of blinks on and off.

  Repairing The TM-U950

Common Symptoms of Fault and how to fix them:

The error light on the control panel is blinking.
The printer has stopped printing.
The console is reporting an error.

The most common printer failure is the "print head carriage" is having trouble moving, this can happen for a number of reasons.

Error light blinking 3 times then long off, then the sequence is repeated.   on__off__on__off__on__off_________ repeat.


Print head failure is also common..     When the print head ribbon is flexed in an unnatural way or through normal long term use, the cable will become cracked. If this happens the print head assembly will fail in one of two common ways.

1. A high temp error will occur
Print Head Hight temp error is signaled by the error light blinking: on____ off_________ then repeat.
High Temp Error  

2. A line through the printed paper, indicates a crack in the print head ribbon..  In this case the print head will need to be repaired. Print Head Repair
  

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Repairing The TM-U950

Common Symptoms of Fault and how to fix them:

The error light on the control panel is blinking.
The printer has stopped printing.
The console is reporting an error.

The most common printer failure is the "print head carriage" is having trouble moving, this can happen for a number of reasons.

Error light blinking 3 times then long off, then the sequence is repeated.   on__off__on__off__on__off_________ repeat.


Print head failure is also common..     When the print head ribbon is flexed in an unnatural way or through normal long term use, the cable will become cracked. If this happens the print head assembly will fail in one of two common ways.

1. A high temp error will occur
Print Head Hight temp error is signaled by the error light blinking: on____ off_________ then repeat.
High Temp Error  

2. A line through the printed paper, indicates a crack in the print head ribbon..  In this case the print head will need to be repaired. Print Head Repair