Service manual

1.9 MAIN COMPONENTS 1-25
1.9.1 B034MAIN/B034MAIN-BControlBoard........................ 1-26
1.9.2 B034 PSB/PSE Power Supply Board . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
1.9.3 CarriageAssembly(ScannerHead)............................ 1-27
1.9.4 LowerCasewithScannerMechanism.......................... 1-28
1.9.5 UpperCase............................................... 1-28
List of Figures
Figure1-1. ExternalView.......................................... 1-1
Figure1-2. MaximumSizeofOriginalforScanning...................... 1-4
Figure 1-3. Data Transmission Timing (Host to Scanner) . . . . . . . . . . . . . . . . . 1-5
Figure 1-4. Data Transmission Timing (Scanner to Host) . . . . . . . . . . . . . . . . . 1-5
Figure 1-5. Control Codes without Parameters . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Figure1-6. ControlCodeswithParameters........................... 1-12
Figure1-7. ScannerDataRequest.................................. 1-13
Figure1-8. MonochromeReading.................................. 1-13
Figure1-9. ColorReading(PageSequenceMode)..................... 1-13
Figure 1-10. Color Reading (Line Sequence Line Transfer) . . . . . . . . . . . . . . 1-14
Figure 1-11. Color Reading (Color Byte Sequence Mode) . . . . . . . . . . . . . . . 1-14
Figure1-12. ColorByteSequenceMode............................. 1-15
Figure1-13. LineDataFormat..................................... 1-16
Figure1-14. BlockDataFormat.................................... 1-16
Figure1-15. StatusByte.......................................... 1-17
Figure1-16. Zoom.............................................. 1-20
Figure1-17. ReadingArea........................................ 1-21
Figure1-18. Brightness.......................................... 1-23
Figure 1-19. Gamma Correction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24
Figure1-20. ComponentLayout.................................... 1-25
Figure1-21. B034MAINBoard.................................... 1-26
Figure1-22. B034MAIN-BBoard .................................. 1-26
Figure 1-23. B034 PSB/PSE Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-27
Figure1-24. CarriageAssembly.................................... 1-27
Figure 1-25. Lower Case with Scanner Mechanism . . . . . . . . . . . . . . . . . . . . 1-28
Figure1-26. UpperCase......................................... 1-28
List of Tables
Table1-1. OptionalUnits.......................................... 1-2
Table 1-2. Pin Assignments for the Bidirectional Parallel Interface . . . . . . . . . . 1-6
Table1-3. CommandsforSCSIInterface ............................. 1-8
Table1-4. StatusBitsforSCSIInterface.............................. 1-8
Table1-5. MessagesforSCSIInterface .............................. 1-9
Table1-6. PinAssignmentsfortheSCSI.............................. 1-9
Table1-7. ColorAttributes........................................ 1-18
Table1-8. ScannerFunctions ..................................... 1-19
Table1-9. DataFormat .......................................... 1-19