User manual CANON ES80 BROCHURE

[. . . ] These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: – Reorient or relocate the receiving antenna. [. . . ] • Dust that is not removed by the cleaning sheet should be wiped off with a moistened and thoroughly wrung-out cloth. 1. Carefully raise the upper unit until it stops. Press and hold the Start key on the control panel for approximately two seconds. Start Key The lamp beneath the scanning glass lights. 5-5 Chapter 5 Maintenance 3. Wipe any dust off the scanning glass with a clean, dry cloth. Hint The platen rollers are cleaned by wiping while rotating the rollers in three stages. 4. Press the Stop key to turn off the lamp. 1. Carefully raise the upper unit until it stops. Press and hold the Stop key on the control panel for approximately seconds. Stop Key 5. Press down on both sides of the upper unit to ensure that it is securely closed. (b) Stop Key Each time you press the Stop key, the upper and lower platen rollers rotate in the following order: black ➔ white ➔ brush. Platen Rollers (Black/White Background Rollers) Black White Cleaning the Platen Rollers The platen rollers are located near the upper and lower sides of the scanning glass to brush away dust as the rollers turn before scanning, and to provide the selected background (white or black) for document images. Clean the platen rollers periodically using the following procedure. Brush IMPORTANT • Be careful not to touch the platen roller while it is turning. • Always use the Stop key to turn the platen roller. Push the roller lock lever up (a) and move it to the left (b) to unlock the roller. ■ Reinstalling the Retard Roller 1. Set the retard roller into place in the scanner. 4. Align the notches in the roller with the shaft pins in the scanner, then slide the roller lock lever in the direction indicated by the arrow. 5. Use a moistened, well wrung-out cloth to wipe off any dirt from the roller. 3. Pull the roller lock lever down to lock the retard roller in place. 5-10 Chapter 5 Maintenance 4. Push the front of the roller cover in until it clicks into place. 6. Press down on both sides of the upper unit to ensure that it is securely closed. (b) 5-11 Chapter 5 Maintenance 2. Replacing the Transport Rollers As the rollers start to wear out, feeding quality declines, and document feed errors, such as paper jams, become more likely. If document feed errors continue to occur after cleaning the rollers, purchase the Roller Replacement Kit and replace the transport rollers (pickup, feed, and retard rollers). Roller Replacement Cycle The feeding rollers are consumables that must be replaced after feeding about every 500, 000 pages. When the rollers have fed more than 500, 000 pages, a roller replacement message appears on the display panel whenever the scanner is turned ON. When the scanner is configured to reboot with the computer, a roller replacement message also appears on the computer screen. ■ Roller Replacement Kit The Roller Replacement Kit consists of replacement pickup, feed, and retard rollers. [. . . ] 8-16. ) The Color Settings dialog box is displayed, and you can specify the color range of the intermediate colors to ignore (drop out) or enhance. ■ When you want to enhance contours in images Adjust the [Edge Emphasis] setting on the [Image processing] tab sheet. 8-15. ) 10-7 Chapter 10 Practical Examples ■ When you want to change the brightness on the front and back sides to scan a document with front and back sides of different densities. Set the brightness of the back side on the [Brightness] tab sheet. 8-13. ) Hint When the background color is set to white, [Border Removal] is disabled. ■ When you want to reduce the moire patterns that appear when color photos in magazines and other documents are scanned at low resolutions Hint The brightness of the back side cannot be changed when you are using advanced enhancement for scanning. Setting [Moire Reduction] on the [Basic] tab sheet allows you to reduce the moire patterns that are generated when color photos are scanned at low resolutions. 8-8. ) ■ When you want to eliminate black borders around scanned images (when the background is set to black) When the background color is set to black on the [Others] tab sheet, select [Border Removal] on the [Image processing] tab sheet. [. . . ]