Printing apparatus and control method therefor

Details Printing apparatus and control method therefor Printing apparatus and control method therefor

1995-05-02

1998-06-16

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

395114, 395163, 395164, 358444, G06F 1500, H04N 140

Patent

active

057684847

ABSTRACT:
A printing apparatus capable of printing a mirror image without increasing the apparatus size. Print data for one band image is stored into an image memory 7 in accordance with an address (in an ascending order) generated by an address counter 103. After storing the print data for one scanning by a print head 101 has been completed in the image memory 7, the print data is read out in accordance with an address (in an descending order) generated by an address counter 104 from the image memory 7, and outputted to the print head 101. At this time, since print data which has previously been used for printing is used no longer, the address counter 103 is set to generate an address in the descending order, and storing of the next print data is made in parallel to the printing. When the printing based on the print data in one scanning has been completed, an address counter 106 is set to generate an address in the ascending order for the next image printing. In this manner, mirror-image printing is performed with changing over a counter update direction between ascending/descending orders.

REFERENCES:
patent: 5084831 (1992-01-01), Morikawa et al.
patent: 5117374 (1992-05-01), Goetz
patent: 5467437 (1995-11-01), Fuse

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