Epson WF-C869R

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You see a window like this:
3. Select the number of optional cassettes installed as the Lower Cassette Unit setting.
4. Click OK.
The optional paper cassettes are now enabled.
Parent topic: Printing with the PostScript (PS3) Printer Software - Windows
Selecting Basic Print Settings - PostScript Printer Software - Windows
Select the basic settings for the document or photo you want to print.
The PostScript printer software supports plain paper printing on these paper and envelope sizes:
• A4 (8.3 × 11.7 inches [210 × 297 mm])