Page 1
CANON DOCUMENT SCANNER Maintenance Guide ENGLISH Please read this manual before operating this unit. After you finish reading this manual, store it in a safe place for future reference.
Chapter 7 Daily Cleaning This chapter describes daily cleaning of the scanner. 7.1 Daily Cleaning ........80 Cleaning the Main Unit ......80 Cleaning the Document Detection Sensor ............. 81 Cleaning the Scanning Glasses and Rollers ............81 Cleaning the Shading Plates ....85 Cleaning the Guide Plate (When Using the Imprinter) .....
Chapter 7 Daily Cleaning Daily Cleaning To ensure high-quality image scanning, regularly clean your DR-6080/9080C as described below. ■ Before you clean the scanner, turn OFF the scanner and computer and disconnect the power cord from the power outlet. Otherwise, it might cause an electrical shock.
7.1 Daily Cleaning Cleaning the Document Detection Sensor Dust and debris that collects on the sensor will cause false recognition. Clean the sensor periodically so that dust and debris do not collect on it. Sensor Cleaning the Scanning Glasses and Rollers A probable cause of stripes appearing on scanned images or dirt appearing on scanned documents is dirt on the scanning glasses or rollers.
Page 5
Chapter 7 Daily Cleaning Use a clean, soft cloth to wipe the scanning glasses. Be sure to clean both scanning glasses, the one below and one above. Never spray mild detergent or water directly on the scanning glasses. The spray could penetrate below the glass and contaminate the internal light source and CAUTION lenses.
Page 6
7.1 Daily Cleaning Wipe the rollers with a firmly wrung cloth moistened with water. Rollers are located at the positions indicated in the figure below. Pickup Rollers Feed Rollers Feeding Rollers Platen Rollers Retard Rollers Remove the pickup roller, retard roller, and feed roller. (See “Installing and Removing the Rollers,”...
Page 7
Chapter 7 Daily Cleaning Replace the rollers that you removed. (See “Installing and Removing the Rollers,” on p.91.) Carefully close the upper scanner. Press the upper scanner down firmly on both sides to close it. If you press the upper scanner down only on one side, the opposite side will not be fully closed.
7.1 Daily Cleaning Cleaning the Shading Plates If scanned images appear scratchy even after you have cleaned the rollers, the shading plates inside the scanner may be dirty. If this happens, clean the shading plates. The power to the scanner is ON when you are cleaning the shading plates so be very careful.
Page 9
Chapter 7 Daily Cleaning Press the [Stop] key. The shading plates retract. Carefully close the upper scanner. Press the upper scanner down firmly on both sides to close it. If you press the upper scanner down only on one side, the opposite side will not be fully closed.
7.1 Daily Cleaning Cleaning the Guide Plate (When Using the Imprinter) Ink that collects on the guide plate inside the optional imprinter may stain the documents when they are scanned. Clean off the ink with water and a mild detergent on a soft cloth that has been firmly wrung, and then thoroughly dry it with a dry cloth.
Chapter 7 Daily Cleaning Replacing the Rollers The feed rollers (pickup rollers, feed rollers, and retard rollers) are consumables. The feed rollers need to be changed periodically to maintain scanning quality. When to Replace the Rollers If the total number of scanned documents exceeds 250,000, a message for roller replacement appears when you restart the computer.
7.2 Replacing the Rollers Resetting the Counter Do the following procedure to reset the counter after replacing the feed rollers. Click the [Start] button, and then click [Settings]-[Control Panel]. Double click on the [Scanners and Cameras] icon ● Windows NT do not display the “Scanners and Cameras” icon. ●...
Page 13
Chapter 7 Daily Cleaning Select the scanner that you are using, and click on the [Properties] button. Click the [Counter] tab. Click the [Reset] button and confirm whether the counter is reset to 0.
7.2 Replacing the Rollers Installing and Removing the Rollers Follow the procedure shown below to remove and install the rollers when you need to clean or replace the pickup, feed, or retard rollers. ■ Turn OFF the power to the scanner and unplug the power cord from the power outlet when you remove or install the rollers.
Chapter 7 Daily Cleaning ◆ Installing and Removing Pickup Rollers Open the upper scanner. Open the roller cover. Open the roller holder and remove the pickup rollers. Position the square axle of the pickup roller on the left and insert the new pickup rollers.
Page 16
7.2 Replacing the Rollers Firmly close the roller holder until you hear it click. Firmly close the roller cover until you hear it click. Carefully close the upper scanner. If the roller holder and roller cover are not firmly closed it will cause a feed error. Always be sure to check that the roller holder and roller cover are closed.
Chapter 7 Daily Cleaning ◆ Installing and Removing Feed Rollers Open the upper scanner. Open the roller cover. Pull the lever that locks the feed rollers in place towards you. Slide the feed rollers to the right, and then pull them towards you.
Page 18
7.2 Replacing the Rollers Remove the feed rollers. Place the new feed rollers on the pin. Set the feed rollers in place (q), and align the notch in the roller’s axle with the shaft on the scanner (w).
Page 19
Chapter 7 Daily Cleaning Lock the lever. Firmly close the roller cover until you hear it click. Carefully close the upper scanner. If the roller cover is not firmly closed it will cause a feed error. Always be sure to check that the roller cover is closed.
7.2 Replacing the Rollers ◆ Installing and Removing Retard Rollers Open the upper scanner. Remove the roller cover. Lift the roller clamp lever (q) and slide it to the left (w).
Page 21
Chapter 7 Daily Cleaning Move the retard rollers to the left and remove them. Set the new retard rollers in place, and align the notch in the roller’s axle with the shaft on the scanner. Slide the roller clamp lever to the right, and push it into the hole in the retard rollers.
Page 22
7.2 Replacing the Rollers Pull the lever towards you to clamp the retard rollers in place. Put back the roller cover. Carefully close the upper scanner. ■ Be sure that the hook is completely latched and the roller cover is not loose. If the roller cover is loose, the document tray will catch on it causing the scanner to CAUTION not operate correctly.