Ricoh A156 - Page 15

4.6 UNEVEN LIGHT INTENSITY CORRECTION ........................2-46
4.7 ORIGINAL SIZE DETECTION IN PLATEN MODE ................2-47
4.8 AUTOMATIC IMAGE DENSITY CONTROL
SYSTEM (ADS) .........................................................................2-49
5. ERASE.............................................................................. 2-51
5.1 OVERVIEW ...............................................................................2-51
5.2 LEADING EDGE AND TRAILING EDGE ERASE .....................2-52
5.3 SIDE ERASE..............................................................................2-52
6. DEVELOPMENT .............................................................. 2-53
6.1 OVERVIEW ..............................................................................2-53
6.2 DRIVE MECHANISM ...............................................................2-54
6.3 CROSS-MIXING ....................................................................2-55
6.4 TONER DENSITY SENSOR ....................................................2-56
6.5 DEVELOPMENT BIAS CONTROL............................................2-57
6.6 TONER SUPPLY .......................................................................2-58
6.6.1 Toner Bottle Replenishment Mechanism ..............................................2-58
6.6.2 Toner Supply Mechanism ....................................................................2-59
6.6.3 Toner End Detection .............................................................................2-59
7. IMAGE TRANSFER AND PAPER SEPARATION .......... 2-61
7.1 PRE-TRANSFER LAMP ...........................................................2-61
7.2 IMAGE TRANSFER AND PAPER SEPARATION ....................2-62
7.3 IMAGE TRANSFER AND PAPER SEPARATION
MECHANISM ..........................................................................2-63
7.4 TRANSFER BELT UNIT LIFT MECHANISM ............................2-65
7.5 PAPER TRANSPORTATION AND BELT DRIVE
MECHANISM ...........................................................................2-66
7.6 TRANSFER BELT CLEANING MECHANISM ..........................2-67
7.7 TRANSFER BELT UNIT RELEASE MECHANISM ..................2-69
8. DRUM CLEANING .......................................................... 2-70
8.1 OVERVIEW ..............................................................................2-70
8.2 DRIVE MECHANISM ................................................................2-71
Rev. 7/95
STM iii A156/A160/A162