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HP LaserJet Series II - Problem Rotating Grap
DocumentID: 645277
Revision Date: 29-Feb-96 8:19:04 PM

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

Problem

Symptoms: When printing the CERTIF.WPG to the HP LaserJet IID, the printer shows an out of memory error message. If the printer is defined as the HP LaserJet Series II, the image prints with no error. The Graphics Quality is set to Medium.

The customer is using WP51 and the HP LaserJet IID as the printer. When they retrieve the "certificate.wpg" graphic and send it to the printer, they can only print 1/3 of it and the rest of the page comes out blank. They are trying to print it in 11 x 8.5" landscape. Solutions: This is a printer limitation. At medium resolution, the printer is doing more work than at high resolution because it is receiving a bitmap at 150dpi that it has to translate to 300dpi. At high resolution, it is already at 300dpi. The "Error 21" comes when the printer has too much work to do to assemble the line, not because of the resolution.

The HP LaserJet Series II has a problem rotating graphics in landscape. Hewlett-Packard fixed this with the IID. Since the Series II does not work the same as the IID, the drivers must be written respective to the printers.

In other words, the Series II was not designed by HP to accept portrait graphics, and then rotate them to landscape. Since some programs (WP 5.0) did not send graphics data in landscape, this made it impossible for the printer to print graphics landscape from those programs. HP felt that they would like to print landscape from those programs, and so they redesigned part of the ROM in the IID so that it could automatically rotate graphics with a command. The drawback is the printer has to receive the graphic, and with that graphic in memory, must rotate it to a landscape orientation. So far, it is working fine. However, WordPerfect sends the graphic data in 1/180ths because the graphic quality is set to medium. This means that not only is the printer trying to rotate the graphic in memory, it is also trying to translate the 1/180ths to 1/300. All of this going on in memory at the same time is straining the printer, and causing the "Error 21" message.

Answer:

Details:


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