HP LaserJet 4: Centered Text Seems To Print T

DocumentID: 618508
Revision Date: 29-Feb-96 1:38:23 PM

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

Problem

Symptoms: When the user prints to an HP LaserJet 4 printer using a scalable font (scaled to a large point size), centered text prints too far to the right. Solutions: This problem is caused by a combination of factors: 1. Most printer paper is actually a little narrower than 8.5" 2. The blank space to the left of the character in the font cell increases in size as the font is scaled larger How/Why: The difference in the blank space can be seen by performing the following steps: 1. Bring up a blank document screen 2. Select a font (e.g., CG Omega 12pt) 3. Type an uppercase I and press Enter 4. Change the font size to 50pt 5. Type another uppercase I and press Enter 6. Print the page Notice that there is more space between the left edge of the paper and the 50pt I character than between the edge of the paper and the 12pt I character. This problem was verified by creating a print-to-disk file of centered text, with the text being Hello I, then looking at the X-positioning code for the word Hello. Adding 64 to the value to compensate for the unprintable zone, and dividing the total by 300 (for 300 dpi), gives the exact inch measurement of the H character positioning. Next, subtract the inch measurement from 8.5, multiply the result by 300, and write down that as the "right side of text value." Next, on the document screen, place the cursor to the left of the I and note the position value (in inches). Then place the cursor to the right of the I and note the difference (this gives the cell width value for the I). Multiply the value by 300 and write that down as the "I width value." Next, take the "right side of text" value and subtract 64 (for the unprintable zone) and then subtract the "I width value." This final number should equal the exact X-positioning value before the I in the print-to-disk file.

Answer:

Details:

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