BT PaperJet 300 User Manual page 54

Push the cartridge towards the back of the
machine until it clicks into place.
Close the cartridge cover and control panel.
Display shows
Press Function to display
Press Enter.
Display shows
Press Enter. The alignment page is printed.
Select the vertical line that is closest to
being a straight line.
Enter the number under the straightest
line, e.g. 12.
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PaperJet 300 user guide ~ Edition 3.2 ~ 25th july '01 ~ 3693
OLD CARTRIDGE .
NEW CARTRIDGE .
ALIGN CARTRIDGE .
Press Enter to confirm. You hear a
confirmation beep.
Press Stop to return to standby.
Stop
To store a spare ink cartridge
If swapping between mono and colour
cartridges you can store the spare one in
the compartment under the control panel.