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Epson SQ-870 And SQ-1170 Printers - Changes T |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Solutions: Epson recently began shipping two new inkjet printers, the Epson SQ-870 and SQ-1170, outside the U.S. The printers support ESC/P2, the second generation printer control language from Epson that supports scalable (multi-point) fonts. Previously, when mixing text and graphics, it was not necessary for software to "look ahead" to determine printing order for text and graphics. Now, using ESC/P2, in order to mix multi-point text with graphics, the software must constantly "look ahead" the size of one text band (about 0.25") and buffer up to four lines of graphics. Any text whose baseline falls within the look ahead region must be sent before the topmost line of graphics in order to ensure proper output. Dot-matrix printers supporting ESC/P2 can reverse the paper to position text and do not require a look ahead region, and a change in the software was not required. However, inkjet printers cannot reverse the paper since the ink requires time to dry. Without a change in the software to support a look ahead region, mixing multi-point text with graphics causes portions of the text to be "clipped" and not printed. The 03/09/92 interim release of WordPerfect 5.1 for DOS (US) includes the change required to support a look ahead region for column data printers (international versions based on the 03/09/92 code will also support this feature). For WordPerfect to use the look ahead region for the new Epson printers, a change in the printer definition is also required. This change is included on the 04/24/92 printer driver release for the Epson SQ-870 and SQ-1170 printers. Existing versions of the printer definition will have to be modified to make use of the look ahead region. Note: If you are using a printer definition that contains the change, you must have a version of WordPerfect 5.1 for DOS dated 03/09/92 or later. Using an older version of WordPerfect with a modified printer definition can cause distorted graphics output. Customers can use the Printer Program (PTR.EXE) to modify a printer definition dated prior to 04/24/92. To edit the file, do the following: 1. Start the Printer Program (PTR.EXE), press Retrieve (Shift-F10), and enter WPDM1.ALL as the file to be retrieved. 2. Highlight the Epson SQ-870 or Epson SQ-1170 printer and press Enter. 3. Highlight Miscellaneous Numbers and press Enter. 4. Highlight Look Ahead Region For Text While Printing Graphics, type .25, press Enter, then press F7 to return to the previous menu. 5. Highlight Miscellaneous Questions and press Enter. 6. Highlight Scan Look Ahead Region for Text While Printing Graphics and type an asterisk (*) to mark the option. 7. Press Quit (Alt-F7), type Y to save, press Enter, then type Y to replace the current .ALL file and save the changes. 8. Type Y to exit the Printer Program. To update the .PRS file (the current printer definition used by WP) to reflect the changes made to the .ALL file, you must do the following: 1. Start WordPerfect. 2. Press Print (Shift-F7), then choose Select Printer (S). 3. Highlight the Epson SQ-870 (or Epson SQ-1170) printer definition. 4. Select Update (7). 5. Press Exit (F7) four times to return to the normal editing screen. |
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