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6-6
XEROX DFC165 & DWC165c Service Manual
6.1.2.2 Checking the Electrical Circuits
Check the message indicating the result of the test:
-
ALL NOZZLES OK
all the electrical circuits are working
-
NOZZLES DAMAGED:
circuit(s) xx (yy, zz) error: remove the print head,
xx yy zz
clean the electrical contacts on the print head with
a dry swab and the electrical contacts of the print
carriage with a soft, dry cloth, then reinsert the print head and repeat the
NOZZLES TEST. If another faulty circuit is indicated, reinsert the print head
several times until the fault has been eliminated; if the fault persists on the
same circuit (xx / yy / zz) after installing a new print head, replace the print
carriage (see section 7.2.15).
6.1.3 CLEANING
This test is used for restoring the print head to efficient operation without replacing
it.
Setting
Display
a) The facsimile machine is in standby mode
b) Get access to the system test menu and select the
CLEANING option
c) Press
START
: a series of nozzle cleaning cycles will be
carried out and, at the end of each one, its progressive
number (
xxxx
) will appear on the display.
6.1.4 PRINT CHART
(not active with a colour print head)
This test
MUST
be carried out after replacing: the printer unit, motherboard, carriage,
carriage motor or paper motor.
Setting
Display
a) The facsimile machine is in standby mode
AUTOMATIC RX
09-05-95 14:58
CLEANING
START/STOP/
←
/
→
xxxx:CLEANING
STOP
AUTOMATIC RX
09-05-95 14:58
Содержание Document FaxCentre 165c
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