Hitachi HT-4139-28 Maintenance Manual page 45

REV0 2010.02.15
7.8.1 Skew accuracy
-H7-12-
measurement
(1) Set 10 test sheets (040 – 7 – 4) on the input tray
and click the "RUN" button.
CAUTION: MAKE SURE THE ORIENTATION OF
(2) Click the "Yes" button.
(3) Measurement will start.
THE PAPER IS THE SAME AS THE
PICTURE BELOW