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APPENDIX B: PRINTER PATCH AREA
TITLE USER4
08/26/80
PRINTER PATCH AREA
;
;ITEMS IN THIS FILE ARE NORMALLY SET AS REQUIRED BY THE
;INSTALL PROGRAM, OR USED WITHOUT CHANGE.
;
;THERE IS NORMALLY NO NEED TO REFER TO THIS LISTING IN
;ORDER TO MAKE XEROX WP OPERATIONAL, AS THE INSTALL
;PROGRAM WILL SET ESSENTIAL ITEMS AS REQUIRED
;FOR ALL NORMAL INSTALLATIONS.
;
;MODIFICATIONS SOME USERS MAY WISH TO MAKE IN ITEMS
;LISTED HERE INCLUDE:
1.
ADDING CONTROL SEQUENCES FOR A TELETYPE-LIKE
(NON-
DAISY) PRINTER TO SUPPORT ADDITIONAL FEATURES, E.G.:
CHARACTER PITCH CHANGE
"RIBBON COLOR CHANGE
PAR TIAL LINE MOTION (FOR SUBSCRIPTS).
2.
MODIFYING OR ADDING TO THE DRIVER CODE USED TO
SEND CHARACTERS TO AND FROM THE PRINTER, FOR THE
FOLLOWING OR OTHER REASONS, IN CASES WHERE XEROX
WP IS PORT DRIVER (WHICH CAN BE FULLY SET UP
BY ANSWERING INSTALL'S QUESTIONS) CANNOT BE USED/
A)
ALLOW RECEIVING CHARACTERS FROM
PRINTER,
FOR PRINTERS WHICH REQUIRE ETX/ ACK
PROTOCOL TO OPERATE AT MAXIMUM BAUD
RATE;
B)
ALLOW XEROX WP TO DETERMINE IF PRINTER IS
READY TO RECEIVE A CHARACTER, FOR BETTER
PERFORMANCE IN CONCURRENT PRINTING:
C)
INSTALLING A CUSTOM DRIVER FOR PRINTER
NOT SUPPORTED BY USER'S OPERATING SYSTEM
NOR SUPPORTABLE WITH XEROX WP'S PORT
DRIVER.
PAGE 63
;SETS PAGE LENGTH
REFERENCE
13-35
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