Kodak 120-3090 User Guide - Page 6
For i280, 3590C and i600/i1800 without, image addressing Series Scanners, For All Scanners - form
UPC - 041771203092
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For i280, 3590C and i600/i1800 (without image addressing) Series Scanners The minimum overall length of the patch bars is 0.75 inches (19 mm). Patch Positioning Horizontal and vertical placement of the patch code is critical for proper operation. If the patch code is placed improperly on the document, the scanner may fail to read the patch. • Patches should appear with the bars perpendicular to the lead edge of the document (fed into the transport first). • Any other (non-patch) printed information to the left or right of the patch could cause false readings (see "E" on the illustration). • Patch codes must be at least 0.25 inches (6 mm) from the left and right edge of the document and must appear at least 0.5 inches (12.7 mm) from the lead edge of the document. • The Patch Reading Area ends 2.0 inches from the lead edge of the document. At least 0.75 inches of the patch code must appear within the Patch Reading Area. For All Scanners Printing specifications A patch code is a parallel pattern of bars (black, low reflectance) and spaces (clear, high reflectance). The ink used to print the black bars must be carbon-based black or equivalent. The printed black bars must reflect less than 20% of the light source. The bond paper that forms the spaces must be white or a light pastel color that reflects at least 65% of the light source. This package contains several pages of cameraready patch codes. These copies adhere to the specifications provided and may be used by a printer when creating patch documents. Two types of camera-ready patch codes are provided: • 2.5-inch (62.5 mm) long patch codes which may be used when preprinting patch code labels or when printing patch codes directly on application documents. • Full-page width and full-page length patch code documents which may be used to create fullpage patch documents which are used as batch headers; interleaved among application documents. These full-page patches may be fed into the transport without regard to orientation. Reliability requirements • Print the patch code only on the top page of multiple-part forms with carbon paper inserts. Smudged carbon in the patch code area can cause false readings. • If patch-coded forms are printed in pads, make sure the torn edges are not fed into the machine first (not the leading edge). A ragged leading edge preceding the patch code may cause the distance to the first bar to be out of tolerance. • Avoid photocopying patches. Photocopiers tend to increase the size of the black bars while simultaneously reducing the white space, thus altering the print specifications. • Print patch codes with carbon-based ink. NOTES: Ink which is used to print bar codes typically has a high carbon content. Soy-based inks are not recommended. • Avoid printing patches on glossy paper. Glare can cause the patch to be misread.