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6-4
XEROX DFC165 & DWC165c Service Manual
6.1.2 NOZZLES TEST
This test may be carried out to identify the cause of printing errors.
Setting
Display
a) The facsimile machine is in standby mode
b) Get access to the system test menu and select the
NOZZLES TEST option
c) Press
START
: the test result is immediately displayed
d) Make sure that there is paper in the ASF, and then press
START
; if you have installed a
monochrome print
head
, the following chart is printed out (see fig. 6-3):
Fig. 6-3
The chart consists of:
(1)
a
numbered scale
for
checking the flow of ink
, with the nozzles numbered
from 01 to 50
(2)
a message providing the
result of the test run on the electrical print head
circuits
.
If you have installed a
colour print head
, the following chart is printed out (see fig.
6-3a) and consists of:
(1)
the threefold print-out of the
three print head colours
(cyan, magenta, yellow)
(2)
three
numbered scales
for
checking the flow of ink
, with the nozzles
numbered (01 to 16 for cyan, 01 to 17 for magenta, 01 to 18 for yellow)
AUTOMATIC RX
09-05-95 14:58
NOZZLES TEST
START/STOP/
←
/
→
NOZZLES TEST OK
START/STOP
or
NOZZLES TEST OK
START/STOP
(2)
(1)
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