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PRINT Key Error Handling in an Emulated Data Processing System Printer

IP.com Disclosure Number: IPCOM000041522D
Original Publication Date: 1984-Feb-01
Included in the Prior Art Database: 2005-Feb-02
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Pekowski, RP: AUTHOR

Abstract

In the present-day information processing environment, the host data processor may provide its printed output on a word processing system printer which is emulating a data processing system printer, such as the IBM 3287. In such a system, the emulation program normally permits the operator of the host data processing system, through the expedient of a PRINT key, to direct the output to the printer only. However, when an error condition exists on the physical printer, output from the host is not prevented from going to the diskette even though the operator presses the PRINT key (which forces output to go to the physical printer). Furthermore, the operator is informed that the PRINT key function has failed.

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PRINT Key Error Handling in an Emulated Data Processing System Printer

In the present-day information processing environment, the host data processor may provide its printed output on a word processing system printer which is emulating a data processing system printer, such as the IBM 3287. In such a system, the emulation program normally permits the operator of the host data processing system, through the expedient of a PRINT key, to direct the output to the printer only. However, when an error condition exists on the physical printer, output from the host is not prevented from going to the diskette even though the operator presses the PRINT key (which forces output to go to the physical printer). Furthermore, the operator is informed that the PRINT key function has failed. This is done by reporting an error when the output is received from the PRINT key to cause the output to the printer to be halted and a message to be sent to the operator; then reporting the error cleared, it causes the output to the printer to continue.

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