HP 9825A - Page 33

982SAlB Adjustments 6-3
9825A/B Paper Advance Adjustment:
1. Install printer on alignment fixture, load about 6 feet of paper.
2. Turn on 9825 and fixture and verify the printout looks like this:
IIIIIII111111111
3. If not, adjust the paper advance until the above pattern is printed.
4. Lift printer off fixture and insert the white "GO" and yellow "NO-GO" gages between
the lower foam pad and solenoid, holding them in place while printer is running, until the
following printout occurs;
With
"GO" gage inserted, normal printout.
With
"NO-GO" gage inserted, compressed printout.
5. Turn fixture and 9825 off and seal paper advance with paint.
9825AiBPrinter IntenSity Adjustment:
1. Reassemble the 9825. Turn it on, store, and run this test program
0: prt UZZZZZZZZZZZZZZZZII ;JfrlP 0
2. Observe the print intensity and adjust the potentiometer by the speaker on the KDP
(A33) board until the print does not get darker as the adjustment is increased.
3. Back the adjustment off about 1/8 turn.
4. Return the
9825 to normal operation.
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