Ricoh B230 Service Manual page 24

5.7.2 Move Exec................................................................................. 5-417
5.7.3 Undo Exec ................................................................................. 5-417
5.8 Controller Self-Diagnostics............................................................ 5-419
5.8.1 Overview ................................................................................... 5-419
5.8.2 Detailed self-diagnostics............................................................ 5-420
5.9 Using the Debug Log .................................................................... 5-422
5.9.1 Switching ON and Setting UP Save Debug Log ........................ 5-422
5.9.2 Retrieving the Debug Log from the HDD ................................... 5-426
5.9.3 Recording Errors Manually ........................................................ 5-426
5.9.4 New Debug Log Codes ............................................................. 5-427
5.10 Dip Switches ................................................................................. 5-429
5.10.1 Controller Board..................................................................... 5-429
5.10.2 BICU Board............................................................................ 5-429
DETAILED DESCRIPTIONS
6. Detailed Section Descriptions............................................... 6-1
6.1 Overview ........................................................................................... 6-1
6.1.1 Component Layout ........................................................................ 6-1
6.1.2 Paper Path .................................................................................... 6-2
6.1.3 Drive Layout .................................................................................. 6-3
6.1.4 Board Structure.............................................................................. 6-4
6.1.5 Printing Process ............................................................................ 6-6
6.2 Process Control................................................................................. 6-8
6.2.1 Overview ....................................................................................... 6-8
6.2.2 Potential Control ............................................................................ 6-8
6.2.3 Process Control Self Check Procedure ....................................... 6-10
6.2.4 Toner Density Adjustment Mode .................................................. 6-12
6.2.5 Toner Supply Control ................................................................... 6-13
6.2.6 Toner Near End/Toner End Detection .......................................... 6-14
6.2.7 Developer Initialization ................................................................ 6-15
6.3 Scanning ......................................................................................... 6-16
6.3.1 Overview ..................................................................................... 6-16
6.3.2 Scanner Drive.............................................................................. 6-17
6.3.3 Original Size Detection ................................................................ 6-18
6.3.4 Anti-Condensation Heater ........................................................... 6-19
B230/B237 viii SM