Ricoh B064 Service Manual page 22

6.8.1 OVERVIEW ....................................................................................6-68
6.8.2 TRANSFER BELT LIFT ..................................................................6-69
Mechanism .........................................................................................6-69
Timing .................................................................................................6-70
6.8.3 TRANSFER BELT CHARGE ..........................................................6-71
6.8.4 TRANSFER CURRENT SETTINGS ...............................................6-72
6.8.5 TRANSFER CURRENT CIRCUIT ..................................................6-73
6.8.6 TRANSFER BELT DRIVE AND PAPER TRANSPORT..................6-74
6.8.7 TRANSFER BELT CLEANING .......................................................6-75
6.8.8 ANTI-CONDENSATION HEATER ..................................................6-76
6.9 PAPER FEED..........................................................................................6-77
6.9.1 OVERVIEW ....................................................................................6-77
Tray Capacities...................................................................................6-78
Built-in Feed Stations..........................................................................6-78
By-pass Feed......................................................................................6-78
Paper Registration ..............................................................................6-78
Jam Removal......................................................................................6-78
6.9.2 DRIVE.............................................................................................6-79
6.9.3 TRAY AND PAPER LIFT MECHANISM - TRAY 2,3......................6-80
Bottom Plate Lift .................................................................................6-80
Lift Sensor...........................................................................................6-81
6.9.4 PAPER FEED AND SEPARATION MECHANISM .........................6-82
Paper Feed and Separation: No Paper Present .................................6-82
Paper Feed and Separation................................................................6-83
Separation Roller Release Mechanism...............................................6-84
6.9.5 PAPER NEAR-END AND PAPER END - TRAYS 2 AND 3 ...........6-85
6.9.6 PAPER SIZE DETECTION.............................................................6-86
Tandem Tray (Tray 1) .........................................................................6-86
Universal Paper Cassettes (Tray 2, 3) ................................................6-86
6.9.7 ANTI-CONDENSATION HEATERS................................................6-87
6.9.8 TANDEM TRAY - TRAY 1 .............................................................6-88
Overview.............................................................................................6-88
Connecting the Left and Right Sides of the Tray ................................6-89
Paper Lift/Remaining Paper Detection................................................6-90
Fence Drive ........................................................................................6-92
Rear Fence Drive................................................................................6-93
Tray Side-to-side Positioning ..............................................................6-94
6.9.9 TRAY POSITIONING MECHANISM - TRAYS 1 TO 3 ...................6-95
6.9.10 BY-PASS TRAY............................................................................6-96
By-pass Feed and Separation ............................................................6-96
By-pass Tray Paper End Detection.....................................................6-97
By-pass Paper Size Detection ............................................................6-98
6.9.11 PAPER REGISTRATION..............................................................6-99
Overview.............................................................................................6-99
Paper Registration Drive...................................................................6-100
Jam Removal at Paper Registration .................................................6-101
6.10 IMAGE FUSING AND PAPER EXIT....................................................6-102
6.10.1 OVERVIEW ................................................................................6-102
6.10.2 FUSING MECHANISM ...............................................................6-103
B064/B065 x SM