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APPENDIX ____________________________________________________ _
NON-XEROX PRINTERS
When you buy a Xerox 820-11 Personal Computer, it is set up to work with the Xerox 20 and 40 character per
second printers. It is possible, however, to use other serial and parallel printers with the 820-11. Using a
different printer will require modification to the software so that the 820-11 will send data to the printer in a
format that the printer will understand.
MODIFYING THE SOFTWARE
Both the CP/M and Word Processing disks contain a program called CONFIGUR. This program lets you
configure (modify) the software to work with a non-Xerox serial or parallel printer. Instructions for using the
CONFIGUR program are in the Reference Manual. The program will display a menu from which you can
select the information that pertains to your printer. You should check your printer's instruction manual to find
out what "Protocol" and "Baud Rate" it uses before you fill in the CONFIGUR menu.
INSTALLING THE PRINTER
The cables necessary to connect both serial and parallel printers to the 820-11 can be purchased from
Xerox.
If you have a serial printer, connect it to the PRINTER port on the back of the screen. Make sure both the
printer and the 820-11 are turned "off" before you make the connection. The serial printer cable has the
same type of connector at both ends, so you can connect either end to the 820-11.
If you have a parallel printer, connect it to the parallel port inside the 820-11 display unit. Detailed instructions
on how to install the parallel cable are given in the "System Component" section of the Reference Manual.
The removal of two screws (after turning power "off" and unplugging the screen) allows access to the
internal parts of the display unit. The installation of three "jumpers", the parallel cable plug and a ground
wire is all that is required.
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