How to replace default Letter US paper format by A4 on printer
- Open printer and scanner windows

- Click on the printer you want to configure, to develop sub-menu

- Click on "Printer properties"

- Click on "Preferences"

- Click on "Advanced..."

- Replace "Letter US (21,9 x 279,4 mm)" by "A4" paper format in the list, and then validate by clinking on "OK" button

- Click on "OK"

- Click on "Apply" button to save modification or "OK" to save and quit the window
Launch regedit with administrator role
--> if you haven't this possibility, please the DSI Teams or create a new ticket on Freshservice Mysupport portal
with admin roles


Copy this sting: Ordinateur\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Print\Printers
and paste on path bar as describe under, then press "Enter" to apply

- Select the printer to configure, and devlopp sub-keys

- click on "DsDriver" sub-key

- Double click on "PrintMediaReady"

- replace "Letter US (215,9 x 27,9,4 mm)" by "A4", and click on "OK"

- Dont panic if you receive this message !

- Click on "OK" to close windows

- you cant close "Regedit" tools

- You can control that A4 is now the default format, and you can print a "test page" to verify
that's all folk
Best regards