Unisys EFP9800 EF4270 Emulation Commands Document Clamp Open, Self Test, Document Validation

EF4270 Emulation Commands

Document Clamp Open

Opens the platen. Any forms still in the printer may fall back into the validation station when the platen is opened. This command enables the Receipt/Journal paper feed and disables the Slip/Validation paper feed.

Hexadecimal Decimal ASCII

1B 0C 27 12 ESC FF

Self Test

Clears all data in the print buffer and prints the current configuration parameters. This functions the same as the general print test See “General Print Test” in “Chapter 3: Diagnostics” for more information.

Hexadecimal Decimal ASCII

1B 13 27 19 ESC DC3

Document Validation

Opens the platen. Once a form is detected, the platen will automatically close. This command enables the Slip/Validation paper feed and disables the Receipt/Journal paper feed.

Hexadecimal Decimal ASCII

1B 17 27 23 ESC ETB

Receipt/Journal Print

Closes the platen. The 1B 5A version of the command closes the platen when no form has been detected. This command enables the Receipt/Journal paper feed and disables the Slip/Validation feed.

Hexadecimal	Decimal	ASCII
1B 1A	27 26	ESC SUB
1B 5A	27 90	ESC Z

Note: The ASCII SUB character cannot be sent by some PC applications. In that case, use the following version of the Receipt/Journal Print command.

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