Windows printer caps (most used)
| Constant | Value | Description |
| HORZSIZE | 4 | Horizontal size in millimeters |
| VERTSIZE | 6 | Vertical size in millimeters |
| HORZRES | 8 | Horizontal width in pixels |
| VERTRES | 10 | Vertical height in pixels |
| LOGPIXELSX | 88 | Logical pixels per inch in X |
| LOGPIXELSY | 90 | Logical pixels per inch in Y |
| PHYSICALWIDTH | 110 | Physical Width in device units |
| PHYSICALHEIGHT | 111 | Physical Height in device units |
| PHYSICALOFFSETX | 112 | Physical Printable Area x margin |
| PHYSICALOFFSETY | 113 | Physical Printable Area y margin |
Printer caps array position for XBase++ and [x]Harbour only
| Constant | Value | Description |
| APC_PAPERWIDTH | 1 | Paper width |
| APC_PAPERHEIGHT | 2 | Paper height |
| APC_AREAWIDTH | 3 | Printable area width |
| APC_AREAHEIGHT | 4 | Printable area height |
| APC_TOPMARGIN | 5 | Top margin |
| APC_LEFTMARGIN | 6 | Left margin |
| APC_HPIXELS | 7 | Number of horizontal pixels per inch |
| APC_VPIXELS | 8 | Number of vertical pixels per inch |
| APC_BITSPIXEL | 9 | Number of bits per pixel (1 = B&W printer) |