Logic Board

Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. 1 Disconnect the following cables from the logic board Using a Phillips screwdriver, remove the two mounting screws from the SCSI connector. Using a hex driver, remove the two mounting screws from the interface connector. 4 Remove the corner screw from the logic board. 5 Using needlenose pliers, squeeze together the card spacers and lift off the logic board. 6 Remove the shield plate from the logic...

Overview

The Color OneScanner 600 27 is a compact, digital-image color scanner with a maximum mechanical resolution of 300 x 600 dpi. An optional accessory for the Color OneScanner 600 27 is an Automatic Document Feeder ADF with a 20-sheet capacity paper tray. Features of the Color OneScanner 600 27 include the 300 x 600 dpi optical, 2400 x 2400 dpi interpolated, resolution for improved Optical Character Recognition OCR accuracy 27-bit scanning depth color that recognizes up to 134-million colors...

Symptom Charts

Normal Startup Sequence Flatbed Scanning Important Disconnect the scanner's SCSI cable before beginning the startup sequence. Even when turned off, some computers will not allow the scanner's normal startup sequence to begin if the SCSI cable is connected. 5 Optical assembly moves to home position sensor at top of glass 7 Lamp intensity checked with reflection of white on back of glass 8 Origin of scan is determined by black strip on back of glass 1 0 Lamp moves back to home position sensor 1 1...

Optical Assembly

Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. Wait for the startup sequence to finish and the lamp to turn off. For a description of the normal startup sequence, refer to the Troubleshooting chapter. 4 Set the SCSI ID switch to 0 terminator on position . Set the SCSI ID switch back to 7, then back to 0 and finally back to 7. After about 10 seconds, the lamp and mirror will move. When the mirror has reached the position shown, turn off the...

Drive Motor and Bracket

Before you begin, remove the following Caution Review the ESD precautions in Bulletins Safety. Remove connector J311 from the logic board. Remove the cable from the cable clip. Remove the drive motor and bracket from the bottom case. 5 If necessary, lift off and remove the gear from the motor. Replacement Note Make sure the gear is lined up with the flat side of the drive motor spindle when reinstalling. Carefully remove the drive motor damper. Using a Phillips screwdriver, remove the two...