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PROBLEM
In case
you use
external
tele-
phones
Automatic
Reception Failure
MF dial is possible
but not DP dial.
Note) 1) Refer to 5. ÔCIRCUITÕ for the details about the signals mentioned above.
2) Unplug power cord and insert it again to cancel all operations (all operations being performed,
error, etc.) and initialize the system.
6-7. Other Problems
PROBLEM
ÔInk LowÕ continues
to be displayed or
warning voice
sounds though ink
has been
replaced.
Printed color is
extremely different
from the color on
the screen of PC.
PC cannot check the
status of the printer.
Windows goes in
error and the com-
puter gets down
after a diskette is
installed.
Samsung Electronics
ITEMS TO BE CHECKED
1. Check CON3(main PBA), main LIU
harness, and P1(LIU PBA).
2. Output of U2-4(LIU PBA) is HIGH?
(+4V or over)
3. Refer to 3,4,5 and 6 of ÔDefective
Transmission/ReceptionÕ in ÔIn case
PC controlsÕ.
1. Can you check ring? Check ring pat-
tern of U17-18(main PBA).
2. Refer to ÔDefective Transmission/
ReceptionÕ.
1. Check the part around R2 and Q6 of
LIU PBA.
2. Check connection of R43 of LIU PBA.
ITEMS TO BE CHECKED
- Check if you reset ÔInk Low CounterÕ
when you replaced ink.
- Check by self diagnostic printing if
specific color ink is used up.
- Check if device driver has not been
installed or incorrectly installed.
- Check Ôvirtual memoryÕ of control
panel in the basic program group.
HOW TO SOLVE
1. Replace defective parts.
2. If high, check the surrounding circuit
and replace LIU PBA.
3. Refer to 3,4,5 and 6 of ÔDefective
Transmission/ReceptionÕ in ÔIn case
PC controlsÕ.
1. If not, replace LIU PBA.
2. Refer to ÔDefective Transmission/
ReceptionÕ.
1. Replace LIU PBA.
2. Replace LIU PBA.
HOW TO SOLVE
- Reset Ink Low Counter by pressing
Ôink replacementÕ button for more than
3 seconds when you replace ink using
the button.
- Reset Ink Low Counter by pressing
Ônew cartridge replacementÕ button
when you replace ink using PC.
- Replace color ink cartridge.
- Add Device=C: \ Myjet \ Mjtsr.exe to
Config.sys file and reboot the computer.
- Optimize PC memory by running
ÒMemmakerÓ.
- Press the 386 expansion icon of control
panel to change Ôvirtual memoryÕ from
temporary to permanent.
1-7
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