HP OfficeJet Pro 7740 - Manual (Page 20)

2 Cartridges
3 Cartridge access door
NOTE: Cartridges should be kept in the printer to prevent possible print quality issues or printhead damage.
Avoid removing supplies for extended periods of time. Do not turn the printer off when a cartridge is missing.
Back view
1 Fax port (2-EXT)
2 Fax port (1-LINE)
3 Ethernet network port
4 Rear USB port
5 Power input
6 Rear access panel
Use the printer control panel
This section contains the following topics:
● Lift the control panel
● Overview of buttons and lights
● Control panel display icons
● Function tabs
● Change printer settings
● Use shortcuts
● Dashboard
Lift the control panel
You can move the control panel for easier use.
● Use the handle at the bottom left of the control panel to slowly lift or lower it.
ENWW Use the printer control panel 7