任何原因
lp -o sides=two-sided-long-edge 1.pdf
只能打印单面吗？
我希望看到一页双面打印，但我却得到一张单面打印的两张纸。
当我做
lpoptions -p Brother_HL_2270DW_series -l
我明白了
PageSize/Media Size: A4 *Letter Legal Executive A5 A5Rotated A6 ISOB5 ISOB6 Env10 EnvDL EnvC5 EnvMonarch 3x5 FanFoldGermanLegal EnvPRC5Rotated B5 Postcard EnvYou4 EnvChou3 Custom.WIDTHxHEIGHT
Duplex/Two-Sided Printing: DuplexTumble *DuplexNoTumble None
BRMediaType/Media Type: *Plain Thin Thick ThickPaper2 BOND Env EnvThick EnvThin Recycled Label PostCard
BRInputSlot/Paper Source: *AutoSelect Tray1 Manual
BRResolution/Resolution: 300dpi *600dpi 2400x600dpi
BRHalfTonePattern/Graphics Quality: *Brother Brother4
TonerSaveMode/Toner Save Mode: *OFF ON
BRImproveOutput/Improvement Settings: *OFF BRLessPaperCurl BRFixIntensity
BRSleepTime/Sleep Time: *Default Custom.INTEGER
BRSkipBlank/Skip Blank Page: *OFF ON
BRReduceGhost/Reduce Ghosting: *OFF ON
答案1
我仍然不知道“为什么”，但我通过将分辨率设置为 612 x 792 解决了我的问题 - 现在用于打印双面的 lp 命令可以工作。