Troubleshooting Using Hiper Terminal
Advanced troubleshooting EPL Printers Using Hyper Terminal and Serial Port
Open Hyper Terminal and enter any name you choose
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After clicking on OK above choose appropriate COM port
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After choosing appropriate COM port click on OK then enter appropriate COM port settings. Baud rate, Data bits, stop bits and parity. The default settings for EPL printers are 9600, 8 data bits, no parity and 1 stop bit.
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Bottom right corner indicates, “connected or disconnected” Before continuing insure that no other applications are using this COM port and status indicates, “connected”
Click on File/properties
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Click on the Settings Tab/ then on ASCII set up
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Check “Echo type characters locally” and then OK and OK again
Commands given to the printer will now be “echoed” on the screen.
Useful commands.
UQ
If you are unsuccessful in printing a configuration label on the printer this command can be used to show the configuration of the printer on the screen.
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^ee
This command will show you what error conditions exist on the printer. This can be used even if the printer LED is in an error condition. This command will tell you what error conditions exist on the printer.
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In this example 81 indicates cutter was jammed or not installed.
Error result codes include
00 no error detected
01 Syntax error
02 Object Exceeded Label Border
03 Bar Code Data Length Error
04 Insufficient memory to store data
05 Memory Configuration error
06 RS232 Interface error
07 Paper /ribbon out
08 Duplicate Name: Form, Graphic or Soft font
09 Name not found: Form, Graphic or Soft font
10 Not in Data Entry Mode (See ? command)
11 Print Head up
12 Pause Mode or Paused in Peel mode
50 Printer Busy- Processing Print job
80 Undefined
81 Cutter Jammed or not installed
82 Autosense or Sensor Failure
83 Illegal Interrupt occured
84 Excessive Media Feeding
US1 US
This command will tell the printer to respond with either an ACK or a NACK after receiving a Print command “P” the ACK character is the ( and the NACK character is the §
One can determine by the code after the NACK as to why the printer did not print the label. In this following example the US1 command was issued followed by several P commands. After the fourth P command an NACK is sent back to the pc with the error code. In this example 07, which indicates, paper out. [pic]
In the following example, research was done to find out why this file would not print.
To send a file using hyper terminal click on Transfer, Send Text file. In this example
The reason for not printing is that the graphic “test” was not found
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In the above example a file was sent to the printer after error reporting was enabled. Printer came back with a Negative acknowledgement and the reason was 01 (syntax error)
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In the above example the sensor was blocked
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