Ricoh G147 Service Manual page 18

6.9 PAPER FEED......................................................................................6-36
6.9.1 OVERVIEW OF PAPER FEED ..................................................6-36
6.9.2 PAPER FEED DRIVE.................................................................6-37
6.9.3 PICK-UP AND SEPARATION ROLLER RELEASE MECHANISM....
...................................................................................................6-37
6.9.4 PAPER LIFT...............................................................................6-38
6.9.5 PAPER END DETECTION .........................................................6-39
6.9.6 PAPER REGISTRATION ...........................................................6-40
6.9.7 PAPER SIZE DETECTION.........................................................6-40
6.9.8 PAPER HEIGHT DETECTION ...................................................6-42
6.10 BY-PASS TRAY ..............................................................................6-43
6.10.1 OVERVIEW OF BY-PASS TRAY .............................................6-43
6.10.2 BY-PASS TRAY OPERATION .................................................6-44
6.10.3 BY-PASS PAPER SIZE DETECTION ......................................6-45
6.11 DUPLEX UNIT.................................................................................6-46
6.11.1 OVERVIEW OF DUPLEX UNIT ...............................................6-46
6.11.2 DUPLEX DRIVE LAYOUT........................................................6-47
DUPLEX BASIC OPERATION ............................................................6-47
6.11.3 DUPLEX UNIT FEED IN AND EXIT MECHANISM ..................6-48
6.12 IMAGE TRANSFER AND PAPER SEPARATION ...........................6-50
6.12.1 OVERVIEW OF TRANSFER AND SEPARATION ...................6-50
6.12.2 TRANSFER BELT DRIVE MECHANISM .................................6-51
6.12.3 TRANSFER BELT UNIT CONTACT MECHANISM..................6-52
6.12.4 IMAGE TRANSFER AND PAPER SEPARATION MECHANISM ....
.................................................................................................6-53
6.12.5 TRANSFER BELT CHARGE....................................................6-54
6.12.6 TRANSFER BELT CLEANING MECHANISM ..........................6-56
6.13 IMAGE FUSING AND PAPER EXIT ................................................6-57
6.13.1 OVERVIEW IMAGE FUSING AND PAPER EXIT.....................6-57
6.13.2 FUSING DRIVE ........................................................................6-58
6.13.3 FUSING DRIVE RELEASE MECHANISM................................6-58
6.13.4 FUSING ENTRANCE GUIDE SHIFT MECHANISM.................6-59
6.13.5 EXIT GUIDE PLATE AND DE-CURLER ROLLERS.................6-60
6.13.6 PRESSURE ROLLER ..............................................................6-60
6.13.7 CLEANING MECHANISM ........................................................6-61
6.13.8 FUSING TEMPERATURE........................................................6-61
6.14 ENERGY SAVE MODE ...................................................................6-64
SPECIFICATIONS
7. SPECIFICATIONS ................................................................... 7-1
7.1 PRINTER...............................................................................................7-1
7.1.1 PRINTER HARDWARE SPECIFICATIONS .................................7-1
7.1.2 SUPPORTED PAPER SIZES.......................................................7-4
7.1.3 SOFTWARE ACCESSORIES ......................................................7-6
7.1.4 SYSTEM CONFIGURATION........................................................7-7
G147 vi SM