Canon DR-2050C Manual de usuario

Document ScannerMaintenance GuideDR-2050CDR-2050SP

Appendices 65Chapter 32. Click the [Reset] button, and then make sure that the [Retard and Feed roller] has been set to 0.Removing and Attaching the F

66 AppendicesRemoving the Feed Roller1. Pressing the OPEN knob from both sides (a), pull the front unit forward to open it (b).2. Open the roller cove

Appendices 67Chapter 34. Shift the feed roller to the left to separate it from the shaft, and then remove it.Attaching the Feed Roller1. Set the feed

68 Appendices3. Lower the lever to lock the roller shaft.4. Close the roller cover. Return the cover fully to its original position until you hear it

Appendices 69Chapter 3CAUTIONDo not use excessive force when removing or attaching the rollers. Doing so may damage them.Removing the Retard Roller1.

70 Appendices4. Shift the Retard Roller to the left to separate it from the shaft, and then remove it.Attaching the Retard Roller1. Position the retar

Appendices 71Chapter 33. Push the roller lock lever towards the back of the scanner to lock the retard roller in place.4. Attach the roller cover. Be

72 Appendices3. TroubleshootingThis section describes the possible problems that might occur during use of the scanner and how to solve them.The Scann

Appendices 73Chapter 3Problem The scanner does not support your USB interface.Solution This product is not guaranteed to operate with all types of USB

74 AppendicesScanning Is Not PerformedCheck the following if the scanner does not scan an image even though the scanning operation is performed:• Is t

Chapter 3Appendices1. Regular Maintenance ... 58Cleaning the Scanner ... 58Cleaning Inside the Scan

Appendices 75Chapter 3Paper Is Not Ejected CorrectlyWhen you are performing page-by-page scanning while a multi-page document is set in the scanner, s

76 AppendicesSymptomsThe scanned image is too dark (or faint).Problem The [Brightness] setting is not set to an appropriate value.Solution If the imag

Appendices 77Chapter 3SymptomsThe scanned image is abnormal for certain documents.Problem Functions such as [Auto-detection], [Deskew], or [Border Rem

58 Appendices1. Regular MaintenancePerform the regular maintenance described below to maintain peak scanning quality.CAUTION• When cleaning the scanne

Appendices 59Chapter 3Cleaning the Scanning Glass and the RollersIf your scanned images contain lines or smudges, or if the scanned documents are dirt

60 Appendices5. Rotate the rollers (a) and (b) as you clean them. Moisten a cloth with plain water, wring out excess water, wipe the rollers and then

Appendices 61Chapter 3Cleaning the Metal Rollers1.Turn on the scanner.2. Open the document feed tray.3. Pressing the OPEN knob from both sides (a), pu

62 Appendices2. Removing and Attaching the RollersFollow the relevant procedure to remove and attach the feed roller and retard roller when you clean

Appendices 63Chapter 3Resetting the CounterAfter replacing the feed rollers, open the [Counter setup] dialog box and reset the counter.1. Follow the p

64 Appendices3. Select [CANON DR-2050C USB], and then click [Properties].4. Click the [Counter] tab.