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I f the test does not work, do the fo l l owing:
Loosen the two knurled thumb screws on the processor top cover ; s l ide
•
the processor top cover toward the back of the processor unit , and
remove it .
Remove the p last ic shie l d .
D i sconnect connector P500 ( s ensor connector) on the printer/plotter
•
control board .
Position the s e l f - test switch on the printer/plotter control board
•
to the TEST post it ion .
test pattern of a l l printab le characters .
printer/plotter w i l l automat ically stop printing.
Posit ion the s e l f - test switch to the OPERATE posit ion to stop the
•
(The printer w i l l cont inue print ing for one or two l ines
p rinter .
after the switch is moved . )
Note :
I f the switch is left in the TEST posit ion the print ing
changes color at the end of each page .
Optional Diagnost i c , Voltage, and Res i stance Checks 3 - 25
See Figure 5 - 6 .
The printer/plotter should print a repetitive
I f the paper runs out , the
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