hp 2775 copying small size than orginal. Detecting wrong size paper on auto detect.

[Nishanmostafa]

My hp 2775 copying small size than orginal document. 

when i use mobile hp smart app it detects small size paper but i use a4 size. please help

[Dragon-Fur]

@Nishanmostafa 

Welcome to the HP Community.

One idea...

HP Smart Mobile requires that you set / adjust the paper size / type before opening the item to be printed.

This requirement might extend to the Copy function as well as Printing.

Scanning?  Set the Page size in the application before scanning.

Example - Embedded Web Server (EWS) > Tray and Paper Management

Retain_Printing_Preferences_5

Example - HP Smart Mobile - Main Menu

HP_Smart_Mobile_Main_Menu_9

References / Resources

Reminder:

This printer requires a larger margin on the bottom.

Print Margin Bottom (A4)	12.7 mm
Print Margin Left (A4)	3 mm
Print Margin Right (A4)	3 mm
Print Margin Top (A4)	3 mm

and

 Product Specifications for the HP DeskJet Ink Advantage 2775 All-in-One Printer (4WS03B)

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HP DeskJet Ink Advantage 2775 All-in-One Printer 

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