The FP-7750 has a large capacity cassette that accommodates up to 3000 sheets.
Yes, it supports duplex copying with automatic functions.
For invoices, letters, legal, and ledger paper sizes, it can take a wide range of quality of paper that ranges from 15-30 lbs including 16-24 lbs. paper.
The machine does have an Energy Saver
Yes, it does, and so it has the Energy Saver mode.
The Reset Key on the control panel will allow you to return the features to the initial power-on state if a reset is required.
The Job Memory Key allows up to five such jobs to be entered and retrieved, if the copier or printer is not currently engaged in a job, or communicating with a remote computer. It is possible to remind the machine of an earlier copy job once it finishes its current job.
Users of the multi-functional copier premium can select any copy quantity from 1 to 999 pieces per job that they wish to run. Each copy will then be printer out as a single job.
With the right options the copier can do sorting, stapling, and hole punching finishing tasks.