Printing apparatus and method in which virtual busy signal is ge

Details Printing apparatus and method in which virtual busy signal is ge Printing apparatus and method in which virtual busy signal is ge

1994-12-13

1998-07-28

Lee, Thomas C.

Boots, shoes, and leggings

395877, 364235, 364930, G06F 1300

Patent

active

057873089

ABSTRACT:
In a data transfer method, virtual handshake busy data is transferred to an I/O register when data is transferred through a parallel interface between data processing and printer units connected to the I/O register through a bus and a transfer storage area in the printer unit has an empty area having a predetermined amount or more.

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