Samsung SF4500 - Manual (Page 82)

3.20 Maintenance
6. Replace the Cover and the Control Panel.
7. Select Ô1.NEWÕ by pressing 1 .
The display briefly shows ÔMONO INSTALLEDÕ, then the machine
returns to Standby mode.
¥ When you install a new cartridge, you must select Ô1.NEWÕ. When you
install a used cartridge, select Ô2.USEDÕ, which helps you monitor the
amount of ink remaining. If you mix up several used cartridges, it will be
difficult to check the amount of ink remaining. Once a new print cartridge
is installed, use it until it has run out completely.
¥ If the new cartridge does not give excellent printing quality, run ÔSelf-TestÕ
on page 1.12.