ImageWriter (original) - all Driver Versions, cannot be overridden:
| High | Bi-Directional | Always |
| Standard | Uni-Directional | Always |
| Draft | Bi-Directional | Always |
ImageWriter II - with Driver Version 2.0, cannot be overridden:
| High | Bi-Directional | Always |
| Standard | Bi-Directional | Always |
| Draft | Bi-Directional | Always |
ImageWriter II - with Driver Version 2.1, 2.2, 2.3, 2.5, 2.6 or 7.0.1:
| High | Bi-Directional | Always |
| Standard | Uni-Directional | Default |
| Bi-Directional | In the Print Dialog box:
hold down the OPTION, SHIFT, and CAPLOCKS while clicking OKAY |
| Undo Bi-Direct | In the Print Dialog box:
hold down the COMMAND (Feature) key while clicking OKAY |
| Draft | Bi-Directional | Always |
Note: Screen dumps are always Uni-directional.