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Graphics Lines Printing Darker Or Not At All
DocumentID: 632928
Revision Date: 29-Feb-96 3:03:07 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Symptoms: When the customer prints horizontal graphics lines to an HP LaserJet Series II printer, every other line is darker than the one before it. Also, some lines may not print at all. Each line is defined as follows:
      Horizontal Position = Full
      Vertical Position = Baseline
      Width of Line = .001"
      Gray Shading = 25 percent Solutions: A print-to-screen indicates that this is a printer problem and not a problem with the WordPerfect software. This problem can be duplicated on other HP printers and on several HP-compatible printers.

Note: This problem can occur when using other products, including WP 6.0 DOS, WPWin 6.0, or WPWin 5.1/5.2.

How/Why:
For each horizontal line, WP sent down the same code, which was *c1950a2b25g2P. Graphics is turned on with *c, 1950a is the length of the line, 2b is the thickness, 25g is the gray scale percentage, and 2P is for gray scale. The only thing that changed for each line was the Y position code. The printer could be having a rounding problem. The problem can be corrected by using a thicker graphics line. After testing, it was determined that the thinnest line that can be used without the inconsistencies is .009" with 10% gray shading.

Answer:

Details:


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