W załączniku masz instrukcję. 725923
Establishing a USB Connection When you connect the printer in this
state the printer will identify itself as a ``Hewlett-PackardHP LaserJet
USB Upgrade''. Since it identifies itself this way the printer is
basically hanging and cannot load the FW, therefore it does not
enumerate correctly as a Color Laserjet CP3505. This document can be
used as a generic document for many midranges to high-end Laserjet
products.
frmw1.JPG
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frmw4.JPG
frmw5n6.JPG
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frmw10.JPG
run.JPG
To download the firmware to your printer over the USB connection, open a
command prompt and enter the commands shown below: Copy Command /B
(Binary Mode) Directory Path\Location (name) of the RFU file (You can
also drag the .rfu file to this window and it will copy the file path)
Computer Name\Share Name
After completing this step, the file will be copied to the USB port and
the printer may or may not respond. At this point, cycle power on the
printer and it should come back to ready. If it does not, repeat the
process.