HP LaserJet III - "Error 21 Print Overrun"

DocumentID: 601273
Revision Date: 29-Feb-96 1:28:38 PM

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

Problem

Symptoms: A customer tried to print large scalable fonts on a HP LaserJet III. When printing in a 300 to 500 point fonts, the letters I, M, E, D, Y, R, and other basic letters printed. The letters S, O, or U printed cut in half with the 300 or 500 point fonts. The error "Error 21 Print Overrun" also appeared on the printer. This also occurred when a customer used the Outline and Shadow attributes often or printed a large table with dotted lines. Another customer was trying to print a graphic through DrawPerfect to an HP LaserJet III. The graphics image was chopped off when printed. The customer received the error message "Print Overrun." Solutions: The customer later found that to print the large scalable fonts they had to use a HP LaserJet III with additional memory (more than 1M). The customer also set the Page Protect option on the printer to ON. This setting reconfigured the buffer to handle larger fonts and more complex print jobs. Follow the steps below to change the Page Protect option. 1. Turn the printer OFF line. (Note: On an HP LaserJet IIIP printer, when the printer is OFF line, press the menu button several times until it reads DEVICE CONFIG. Then press Enter and continue to step 2.) 2. Hold the MENU button on the printer down until the words AUTO CONT=ON appear. 3. Press the MENU button until the Page Protect option appears. 4. Press the plus (+) button to turn Page Protect ON. (The word ON does not appear on the display panel. The panel initially reads Page Protect Letter. At that point the user can toggle through the different sizes, if needed.) 5. Press the ENTER/RESET button. With PAGE PROTECT set ON, the letters O, U, S, and other curvy fonts with a high point size, will print correctly. Page protection reserves additional memory for the page image process, allowing the printer to create the entire page image (in memory) before physically moving the paper through the printer. "Error 21" is not a memory issue; it is a complex data error. In simple terms it means that the page processing could not keep up with the printer output. The outline character is not bitmapped. If you look at a print to disk, you would see the characters you had typed in on your document screen. It is up to the printer to take the character, and, in HPGL mode, scale the outlined character. WordPerfect has no control of this process. If the user has more than 1M of memory, he can use the Page Protect option on the HP LaserJet III. This option is designed to correct "Error 21" problems.

Answer:

Details:

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