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3504 Print Cartridge (Continued)
Perform these steps because the error lights are still set
to 1101 and you already tried to brush the dust or lint
from the connector contacts.
1.
Switch off the printer power; then, unplug the
power cord from the ac outlet.
2.
Remove the print cartridge from the printer. See
3504 "Removal" for the procedure to
remove
the
print cartridge.
3.
Fold a lint-free cloth into a pad small enough to
insert into the connector.
"4.
Saturate the pad with isopropyl alcohol.
5.
Open the cartridge-connector by pushing and
holding dwon the plunger. Insert the pad into the
connector. Then release the plunger to close the
contacts. The contacts should grip the pad.
6.
Remove the pad by pulling it straight up.
7.
Repeat step 3 until all the contacts are cleaned.
Make sure that no lint remains on the contacts
after you clean them.
0 0 0 0
o
8.
Replace the cartridge in the printer. (See 3504
"Reinstallation" for the procedure to
replace
the
print cartridge.)
9.
Connect the power cord to the ac outlet.
10. Switch on the printer power.
11. When the printer power-on test are completed,
observe the error lights. (The access cover must
be removed for you to see the error lights.)
DANGER
Do not put your hands in the printer; only look at the error
lights.
If the error lights are off, test the printer using the wrap
test. See 3654 "To Operate the Printer in Wrap
Mode" for the procedure to run the wrap test.
If the error lights are not off, see the entry MAP chart.
Error lights
1
=
error light is turned on
0= error light is turned off
Maintenance Procedures
3-109
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