HP LaserJet 4ML Printer
The HP LaserJet 4ML printer is similar to the HP LaserJet 4L printer, however, the 4ML includes PostScript and a LocalTalk I/O for printing in the Macintosh environment. The HP LaserJet 4ML printer also includes some new PCL features: print model logical operation (ROP3) and pixel placement, as described on the following pages.
The HP LaserJet 4ML supports the typefaces that the HP LaserJet 4 printer supports. Several of the typefaces in the HP LaserJet 4ML printer have additional support for the Latin 2 and Latin 5 symbol sets (refer to Chapter 3, “Internal Typefaces/Fonts and Symbol Sets,” for complete font support information).
Table 2-4. PCL Feature Additions for HP LaserJet 4ML
Feature | Status | Comments |
Paper (Job) Size Command | Modified | An additional parameter (101) has been added to provide |
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| support for custom size. |
Logical Operations | New | Modifies the print model to allow logical operations (such as |
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| AND, OR, XOR, NOT) to be performed on source, texture, |
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| and destination. |
Pixel Placement (PCL) | New | Allows user to select either grid intersection or grid |
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| centered placement of pixels when rendering an image in |
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| PCL. |
Pixel Placement | New | Allows user to select either grid intersection or grid |
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| centered placement of pixels when rendering an image in |
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Merge Control | New | Allows the user to use logical operations (ROP’s) in |
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