Epson PERFECTION V700 PHOTO - Page 32

EPSON Perfection V700 Photo Revision A
Troubleshooting Troubleshooting 32
Table 3-4. Scanned Image Quality Error
Step Possible Cause Corrective Action Reference
1 The Document Glass is not clean. (Image has white spots) Clean the glass. See Chapter 6
2 ISN Board failure Replace the Carriage Unit. See Section 4.2.6 on page 48.
3 Main Board failure Replace the Main Board See Section 4.2.5 on page 45.
Table 3-5. The Main Unit Does Not Operate When Powered-On
Step Possible Cause Corrective Action Reference
1 A connector is disconnected. Connect the disconnected connectors.
See Section 7.1.2 on page 73.
See Chapter 4
2 CR Motor failure
Replace the CR Motor. See Section 4.2.7 on page 50.
Replace the Main Board. See Section 4.2.5 on page 45.
Table 3-6. The Carriage Unit Does Not Operate
Step Possible Cause Corrective Action Reference
1 The Carriage Lock has not been released. Release the Carriage Lock. See Step 3 of Section 4.2.2 on page 40.
2 The Upper Housing is not installed correctly. Install it normally. See Section 4.2.2 on page 40.
3
Carriage Mechanism failure
• The CR Motor does not operate normally when powered-on with
the Upper Housing removed.
• The Carriage Unit does not move normally with the CR Motor
removed.
Replace the Carriage Unit. See Section 4.2.6 on page 48.
4 CR Motor failure
Replace the CR Motor. See Section 4.2.7 on page 50.
Replace the Main Board. See Section 4.2.5 on page 45.
Table 3-7. The Carriage Unit Operates, Scanner Indicates Error
Step Possible Cause Corrective Action Reference
1 Main Board failure Replace the Main Board. See Section 4.2.5 on page 45.