Heathkit H14 Manual page 22

Page 20
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PART B
PART A
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PICfORIAL 9
TO MOVE PLATEN,
_ _ - - - - - - - - PRY OR TWIST HERE
- .
WITH SCREWDRIVER
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ATEN
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,
.01 S" :
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PLATEN:
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PR I NT
HEAD
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Electrical
Note: The print head should be at approximately 25°C
(no printing should have been done for the previous
one hour).
Remove the jumper from between }l18 and }119 and
place it from J117 to J118.
Turn the High Temp Adj control (R195) fully coun-
terclockwise.
Turn on the POWER switch.
Slowly rotate control R19S clockwise until the HIGH
TEMP
front panel light comes on.
Turn off the POWER switch.
Replace the jumper between J118 and )119.
Loosen the four platen screws slightly but leave them
still snug. (If necessary . first loosen the paper sprock-
ets and slide them out of the way.) Move the print
head sideways as necessary and insert the .015" feeler
gauge between the nose of the print head and either
end of the platen. (See Part A of Pictorial 9.) Use a
screwdriver and adjust the platen. (See Part B of the
Pictorial.) The feeler gauge should slide between the
print head and platen. but there should be a slight
drag on it.
As before. adjust the other end of the platen for
.01S~.
Adjust the center of the platen of .015-.
Recheck the three dimensions, tighten the platen
screws, and replace the guide bracket and bottom
plate. (If you loosened the paper sprockets, realign the
left sprocket as shown in Pictariell0. Adjust the right
sprocket to the width of your paper.)
•
Mechanical (Head
to
Platen Spacing)
Remove the ribbon.
Refer to Pictorial 8 and remove the bottom plate.
ReIIlPve the four 440 screws Bnd the guide bracket
they hold.
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I
PICfORIAL 10
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