Hitachi HT-4139-28 Maintenance Manual page 50

In case of "NG"
Check if (1)-(4) are normal because the results varies depend on,
(1) Print quality, (2) Sheet contamination, (3) Accuracy of the block, (4) Accuracy of the skew, etc.
(Reading position of marks are shown in the Fig.3)
If nothing is wrong replace the device because it might be abnormal condition of device.
Fig.3 Position of recognition
(4) Confirm displayed results.
Display OK or NG
Results of the Automatic judgment is shown like
the display at the left.
If results shows "NG", clean the scanning Assy,
paper feeding pate and resume scanning.
If it is not fixed, check the contents in the box
below.
If anything wrong is found replace the device.
(5) Click the "Confirmed" button.
(6) As it returns to the dialog (1), change parameters
and resume scanning.
Normally perform Pencil – Red – Surface (back)
(7) Click the "Finish" button to finish
< Judgment > Automatic judgment
OTAL AVR" should be in the
The value of the "T
criteria.
(The AVR value will be displayed in 10 time value
as shown in the example.
(Example: 8.30→83)
REV0 2010.02.15
-H7-17-