Print command:  lpr  -P gato  -o option=attribute  file
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Options/Function                              Attributes  (*=default)
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Duplex/Duplex:                               *DuplexNoTumble DuplexTumble None
PageSize/Media Size:                          A4 A5 B5 Custom Env10 EnvISOB5 EnvC5 EnvDL EnvMonarch Executive Legal *Letter
InputSlot/Media Source:                       Envelope Upper ManualFeed *Middle Lower LargeCapacity
MediaType/Media Type:                         Bond Cardstock Color Labels Letterhead *None Plain Preprinted Prepunched Recycled Rough Transparency
PageRegion/PageRegion:                        A4 A5 B5 Env10 EnvISOB5 EnvC5 EnvDL EnvMonarch Executive Legal Letter
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HPCollate/Collate:                           *False True
HPPaperPolicy/Fit to Page:                    NearestSizeNoAdjust NearestSizeAdjust *PromptUser
HPHalftone/Levels of Gray:                    Enhanced *PrinterDefault Standard
HPNup/Pages per Sheet:                        OneUpL *OneUp TwoUpL TwoUp FourUpL FourUp SixUpL SixUp NineUpL NineUp SixteenUpL SixteenUp
HPwmLocation/Print Watermark:                 *True False
Smoothing/Resolution Enhancement:             False *True
HPScalePatterns/Scale Patterns:               Off *Scale
HPwmText/Watermark:                           CompanyConfidential CompanyPrivate CompanyProprietary Confidential Copy Copyright Draft FileCopy Final ForInternalUse *None Preliminary Proof ReviewCopy Sample TopSecret Urgent
HPwmTextAngle/Watermark Angle:                DegN15 DegN30 DegN45 DegN60 DegN75 DegN90 Deg0 Deg15 Deg30 *Deg45 Deg60 Deg75 Deg90
HPwmFont/Watermark Font:                      CourierB *HelveticaB TimesB
HPwmFontSize/Watermark Size:                  pt24 pt30 pt36 pt42 *pt48 pt54 pt60 pt66 pt72 pt78 pt84 pt90
HPwmTextStyle/Watermark Style:               *Medium Narrow Halo Wide
Option3/Duplex Unit:                          True *False
Option5/Envelope Feeder:                      True *False
Option4/Printer Hard Disk:                    True *False
InstalledMemory/Total Printer Memory:        *4MB 8MB 12MB 20MB 28MB 36MB
Option1/Tray 3:                               True *False
Option2/Tray 4:                               True *False
JCLEconomode/EconoMode:                      *False True
JCLResolution/Resolution:                     300dpi *600dpi 1200dpi
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