MT645 & MT661
Frequently Asked Questions
 
  Buffer Overflow
  Performing A Hex Dump
  Restoring Factory Defaults In The Printer
  Printing the Current Printer Configurations
  Printer Firmware Version
  Connecting Printer To AS400
  Setting Top Of Form
  Locking and Unlocking the Control Panel
  Calibrating Paper Motion Sensor
  Printing Via External Print Server
  How Old Is The Printer
 
 

Buffer Overflow
 

If your printer displays the message "Buffer Overflow" in the Control Panel Display, you are most likely using the serial interface with Xon-Xoff protocol. This being the case, you need to make some particular settings in the serial interface parameters which are detailed in a technical note

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Performing A Hex Dump
 

Switch the printer on and set to Offline and follow these instructions.

  • Press the Mode key: display will show Offline Normal.

  • Press any Arrow key until display shows Offline Config.

  • Press the Forms/1 key.

  • Press any Arrow key until display shows Config Printer.

  • Press the CPI/2 key.

  • Press any Arrow key until display shows Printer Dump Mode.

  • Press the LPI/3 key.

  • Press any Arrow key until display shows Dump Mode Style 1.

  • Press the Enter key and place printer Online.

  • Send Data to printer and data will be printed in hex format.

To return the printer to normal operation, either follow the above instructions, setting Dump Mode to Off or power cycle the printer.

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  Restoring Factory Defaults In The Printer
  To restore the factory defaults within the printer, follow these instructions.
  • Press the Mode key: display will show Offline Normal.
  • Press any Arrow key until display shows Offline Config.
  • Press the Forms/1 key.
  • Press any Arrow key until display shows Config Printer.
  • Press the CPI/2 key.
  • Press any Arrow key until display shows Printer Load.
  • Press the LPI/3 key.
  • Press any Arrow key until display shows Load Default.
  • Press the Enter key and place printer Online.

Your printer is now set to the factory default configuration.

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  Printing the Current Printer Configurations
  To print the current printer configurations, follow these instructions.
  • Press the Mode key: display will show Offline Normal.
  • Press any Arrow key until display shows Offline Config.
  • Press the Forms/1 key.
  • Press any Arrow key until display shows Config Printer.
  • Press the CPI/2 key.
  • Press any Arrow key until display shows Printer Report.
  • Press the LPI/3 key.
  • Press any Arrow key until display shows Report Configs.
  • Press the Enter key and the configurations will be printed.

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  Printer Firmware Version
  To discover the printer firmware version print the Current Printer Configurations (see above) and look for the Main CPU Software version near the top of the printout.

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  Connecting Printer To AS400
  The AS400 computers will not have a printer configuration for the Tally printers so if you are wanting a configuration for the printer, we recommend that you select the configuration for the Epson FX. You will also need to set the printer into the Epson emulation. 

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  Setting Top Of Form
  To set the Top Of Form (TOF) follow these instructions:
  • Load paper into the top and bottom tractors.
  • Use the Arrow keys to move the paper until the position where you require the top row of dots to be is adjacent to the small "pip" on the top tractor covers. Then press the TOF key on the control panel. This will cause the paper to move down and be positioned at Top Of Form.

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  Locking and Unlocking the Control Panel
  To Lock or Unlock the Control Panel, follow these instructions:
  • Set the printer to Offline.
  • Press the Enter and LF keys together for approx 3 - 4 seconds. The alarm will sound. (Tech Access On)
  • Press the Enter and CPI keys together for approx 3 - 4 seconds. The alarm will sound. (Panel Lock toggled)
  • Press the Enter and LF keys together for approx 3 - 4 seconds. The alarm will sound. (Tech Access Off)

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  Calibrating Paper Motion Sensor
  Paper Motion Faults are normally attributable to a badly calibrated Paper Motion Sensor. To recalibrate the sensor, follow these instructions: 
  • Press the Mode key: display will show Offline Normal.
  • Press any Arrow key until display shows Offline Test.
  • Press the Forms/1 key.
  • Press any Arrow key until display shows Test Diag.
  • Press the CPI/2 key.
  • Press any Arrow key until display shows Diag PaperCal.
  • Press the LPI/3 key.
  • Press any Arrow key until display shows PaperCal Pap Mot.
  • Press the Enter key, the paper will move forward and then backward.

The Paper Motion Sensor has now been calibrated.

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  Printing Via External Print Server
  These printers are not reliable if connected to external print servers unless the printer has the latest hardware interface installed and the latest firmware version (ver 5.3). To discover your printer firmware version, print the printer configuration report and look for the Main CPU Software version near the top of the printout. To check the interface hardware, you will need an engineer to check this for you.

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