Konica Minolta bizhub C658 Service Manual page 53

5.3.8 CIS glass contamination prevention control .............................................................................................................. PA-14
5.3.9 Opening and closing guide set detection................................................................................................................... PA-15
6. PAPER EXIT SECTION .......................................................................................................................................PA-16
6.1 Configuration ...................................................................................................................................................................... PA-16
6.2 Drive ................................................................................................................................................................................... PA-16
6.3 Operation ............................................................................................................................................................................ PA-16
6.3.1 Document exit mechanism ........................................................................................................................................ PA-16
6.3.2 Faxed original stamp function SP-501....................................................................................................................... PA-17
7. OPEN AND CLOSE DETECTION SECTION .......................................................................................................PA-18
7.1 DF angle open and close detection .................................................................................................................................... PA-18
7.2 DF open and close detection .............................................................................................................................................. PA-18
8. FAN CONTROL ....................................................................................................................................................PA-19
8.1 Function .............................................................................................................................................................................. PA-19
8.2 Control condition................................................................................................................................................................. PA-19
PB THEORY OF OPERATION DF-629 ...........................................................................................PB-1
1. CONFIGURATION .................................................................................................................................................PB-1
1.1 Section configuration ............................................................................................................................................................ PB-1
1.2 Paper path ............................................................................................................................................................................ PB-1
1.2.1 1-sided paper path....................................................................................................................................................... PB-1
1.2.2 2-sided paper path....................................................................................................................................................... PB-1
1.3 Main part configuration ......................................................................................................................................................... PB-1
1.3.1 Main electrical part ...................................................................................................................................................... PB-1
1.3.2 Sensor ......................................................................................................................................................................... PB-2
1.3.3 Roller placement.......................................................................................................................................................... PB-2
2. DRIVE.....................................................................................................................................................................PB-3
2.1 Paper feed drive ................................................................................................................................................................... PB-3
2.2 Registration drive.................................................................................................................................................................. PB-3
2.3 Document reading drive........................................................................................................................................................ PB-4
2.4 Document reading glass cleaning drive................................................................................................................................ PB-4
3. OPERATION ..........................................................................................................................................................PB-5
3.1 Document feed section ......................................................................................................................................................... PB-5
3.1.1 Document set/empty detection .................................................................................................................................... PB-5
3.1.2 Document size detection mechanism.......................................................................................................................... PB-5
3.1.3 Pick-up roller up/down control ..................................................................................................................................... PB-6
3.1.4 Document feed/separation control............................................................................................................................... PB-7
3.1.5 Document separation roller pressure switching mechanism ....................................................................................... PB-8
3.2 Document registration section .............................................................................................................................................. PB-8
3.2.1 Document registration outline...................................................................................................................................... PB-8
3.2.2 Document registration loop formation process ............................................................................................................ PB-9
3.3 Document reading section .................................................................................................................................................... PB-9
3.3.1 Transport mechanism.................................................................................................................................................. PB-9
3.3.2 Document reading glass cleaning mechanism ............................................................................................................ PB-9
3.3.3 Document reading roll pressure/release control........................................................................................................ PB-11
3.3.4 Document reading front guide ................................................................................................................................... PB-12
3.4 Document switchback/exit section...................................................................................................................................... PB-12
3.4.1 Document switchback/exit mechanism...................................................................................................................... PB-12
3.4.2 Switching mechanism for document switchback/exit................................................................................................. PB-13
3.4.3 Switchback exit roll pressure/retraction control ......................................................................................................... PB-13
3.4.4 Faxed document stamp function ............................................................................................................................... PB-13
3.5 Paper path operation .......................................................................................................................................................... PB-15
3.5.1 1-sided mode............................................................................................................................................................. PB-15
3.5.2 2-sided mode............................................................................................................................................................. PB-15
3.6 DF open/close detection mechanism.................................................................................................................................. PB-15
3.6.1 Document exchange detection control ...................................................................................................................... PB-15
3.6.2 DF open/close detection............................................................................................................................................ PB-15
3.7 Cooling inside the unit mechanism ..................................................................................................................................... PB-16
3.8 DF Skew(Front) adjustment mechanism ............................................................................................................................ PB-16
3.8.1 Hinge on the right side of the machine (front) ........................................................................................................... PB-16
3.8.2 Hinge on the right side of the machine (rear) ............................................................................................................ PB-17
3.8.3 Adjustment direction conceptual drawing .................................................................................................................. PB-17
PC THEORY OF OPERATION DF-704 ...........................................................................................PC-1
1. CONFIGURATION ................................................................................................................................................ PC-1
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