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Epson LQ-850 (N9) - Vertical Motion Not Accur |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Symptoms: The customer is using the Epson LQ 850 (N9) printer driver. When they print in other programs or from DOS after printing in WP, the vertical motion on the printer is not accurate. It looks like the printer is double spacing. Solutions: This problem occurs because WP leaves the vertical motion units at whatever setting was last used. For example, if a one line document is sent to the printer, WP sends [27]"+"[255] for the first vertical movement. Since this code is only sent in a single byte, 255 is the highest allowable value. The next byte is the remainder (between 255 and 360) which is the top margin. This means that WP then sets the vertical motion to [27]"+"[105]. That code is the last vertical motion unit that is set by WP. Every time the printer receives a line feed command, whether from WP, from DOS or another program, it sends 105/360 (almost exactly double spacing). Normally, this would be corrected by using the [27]"@" command, but WPCorp cannot use this command because it would cause problems with the Short Tear- Off feature. The following changes in printer file will correct this problem: 1. Enter the PTR Program, retrieve the .PRS printer file and press Enter on the printer name 2. Move to Initialize and Reset and press Enter 3. Move to Reset At End Of Print Job, and then move to the Expression box (press Right arrow) 4. Move to the end of the code string and add [27]"+"[60] 5. Exit the PTR Program and save the modified .PRS file Please watch the Software Change Notices after 07/17/92 for this change to be made in the master printer drivers. |
Answer:
Details:
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