Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to scan a photo to facebook [title] Scan photos. [step] Use a scanner or an all-in-one printer to scan your photos to digital copies. There are many commercially available hardware to do this.

Ending1: If you are concerned about damage, your printer may be able to do that for you. [substeps] Scan your photos to be printed out by mail before sending them to facebook. Ending2: [substeps] Depending on the printer you use, you will need to wait several minutes before scanning photos to digital copies. To prolong the processing time, run the scanner through multiple pictures to receive more accurate copies. Ending3: The photos should be stored in your local computer. If you're not familiar with scanning photos, here's the basics of what you should do : [substeps] Turn on the scanner-plug it in and press the power button. Ending4: [substeps] Use the' auto-scan' method for the original photo file that is being scanned. You can turn on an auto-scan printer for digital copies if you've not used the printer for thousands of years or later.

Answer format: ending1/ending2/ending3/ending4