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Some Epson LQ-XXXX Printers Top Margin Proble |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Solutions: Users have had problems on the Epson LQ-850, LQ-950 and LQ-1050 printers using WordPerfect 5.1. The most common problem seems to be when a user selects a small top margin (less than 0.45") resulting in inconsistent line spacing or overlapping text (e.g., line spacing, overprinting, etc.). The cause of this problem is a top printhead bias that was added to the new 5.1 drivers. The following drivers, including their "Additional" counterparts, were given a top bias and will exhibit the same problems: Epson LQ-510 Epson LQ-850 Epson LQ-850 (M8 ROM) Epson LQ-950 Epson LQ-1050 Epson LQ-1050 (M8 ROM) Epson LQ-2500 Epson LQ-2550 The top printhead bias was added to these drivers because of the auto load and paper parking features of these printers. Epson printers have excellent paper handling, and the majority of the users will take advantage of these features. When auto loading manual forms or using the paper parking feature and switching between tractor feeder and sheet feeder, the printer will load the paper at the same position vertically for all of these forms. The paper is loaded about 0.45" past the printhead, and printing starts at that point. The drivers were given a top printhead bias of 0.45" (540/1200) to account for this condition and allow proper printing of top margins (larger than 0.45") in their default state. There are however instances when a user would like to print using margins smaller than the 0.45" bias requires. Attempting this without any changes to the driver will cause inconsistent line spacing at the top of the page or, if the margin is considerably smaller than the bias, overlapping text. A good example of this would be using 1" labels that are tractor fed and continuous. A very small margin is required (something close to 0") and this can cause a conflict in the format of the page (or label) which will result in one of the problems mentioned. For those instances in which a margin smaller than 0.45" is required the text adjustment feature should be used (Shift-F8, p, s, e, e). If the top of the form is aligned exactly at the base of the printhead to allow a top margin of exactly 0", a text adjustment down exactly equal to the top bias (0.45") will effectively cancel the bias for the given form and act as though no bias existed. This will allow the user to select any margin greater than or equal to 0" as long as the paper is positioned correctly. Folio: PRINT51 |
Answer:
Details:
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