6-2
XEROX DFC165 & DWC165c Service Manual
6.1.1 ALIGNMENT TEST
(not active with a colour print head)
This test
MUST
be carried out after replacing: the printer unit, motherboard, carriage
or carriage motor.
Setting
Display
a) The facsimile machine is in standby mode
b) Get access to the system test menu and select the
ALIGNMENT TEST option
c) Make sure that there is paper in the ASF, and then press
START
: the test chart shown in fig. 6-1
is printed out
d) At the end of the printout, the message
VALUE 'A' xx
will
appear on the display; look carefully at the
scale
printed
in the top left corner of the print chart (use a magnifying
lens or make an enlarged copy of the scale) and detect
the
value of its length
(
from 0 to 15
):
e) Enter the detected value as
xx
(in order to adjust the print
left margin) and press
START
; the message
VALUE 'B'
xx
will appear on the display:
- identify the
best vertical alignment
from the ten
shown on the test chart
- enter the
number corresponding
to the best align-
ment using the left and right arrow keys; note that an
intermediate value,
which is not printed on the test
chart, may be selected as the best alignment, there
are therefore 20 values available (
0
−
19
)
- press
START
: the test chart in fig. 6-2 showing both
the margin alignment (the example shows VALUE 'A'
= 07) and the vertical alignment (the example shows
VALUE 'B' = 10) is printed out.
AUTOMATIC RX
09-05-95 14:58
ALIGNMENT TEST
START/STOP/
←
/
→
ALIGNMENT TEST
STOP
VALUE 'A' xx
START/STOP/
←
/
→
VALUE 'B' xx
START/STOP/
←
/
→
