Loveshaw MicroJet 5x5, Technician Manual

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39
MicroJ et T rouble-S hooting G uide
M icroj et I nk J et P r inter Softwar e C hange P rocedure
(U nits with r ibbon cable fr om C PU )
" PL E AS E R E AD T HR OU G H F I R S T B E F OR E AT T E M P T I N G SOF T WAR E
CH AN GE "
T o change software, you must do the following steps:
A . T urn power OF F and remove power cord to the unit.
B. W ith a Philip head screwdriver, unscrew the f our screws from the inside lid cover. T hen remove the
CPU assembly from the unit.
C . Using the screwdriver remove the two screws f rom the top Piggy-Back Driver board from the Main
C PU board. Then unplug the two boards.
D. Locate the E PR OM on the M ain C PU board located in its socket at position U 9. T his E PR OM will
have a tag on the top to identif y its software revision.
E . W ith a small flat blade screwdriver, caref ully pry the E PR OM out of its socket.
F. N ow remove the new EPR OM from the anti-static container and insert the E PR OM in the U 9 socket.
NOTE : B efore removal, observe the position on the notch on the side of the E PR OM.
The socket will also have a notch on one end as well. This is used to guide so that the E PR OM can be
oriented the correct way and then inserted.
G. W hen plugging in the new E PR OM, verify that all of the legs are in the socket and are not curled up
under the E PR OM.
H. S tore the old E PR OM in the anti-static container for possible reuse if there is a problem. Do not discard
this chip. E ither keep it or if asked return it to L OV E SH A W. In any case keep it available until the unit
has been used a few days.
I. A fter the E PR OM installation is complete, reconnect the Driver board to the Main C PU insuring that it is
correctly connected. Then replace the screws.
J. Insuring the V ulcanized Paper backingis on the assembly, install the assembly into the unit and replace
the screws.
K . The pump cover plate may have been move when removing the screws and the unit may not close.
Adjust the pump cover if necessary.
L . R econnect the power cord and power up the unit.
M . C lear the unit by using 66S L A M pr ocedur e explained in the operators manual.
N. R eset the clock.
O. N ow the ink jet printer is ready for programming. R efer to any enclosed manuals for further details of
the new options included in this new version. If no manual is enclosed the options are self-explanatory.
I f questions should arise, please contact the L OV E SHA W Jet Printer Service Department at 1(570) 937-4921
or at 1(800) 962-2633. T hank you.
" PL E A SE R E A D T H R O UG H F I R ST B E F O R E A T T E M PT I NG SO F T W A R E C H A NG E "
C opyright © Loves haw 2004, All R ights R es erved.