Gestetner G060 Service Manual page 22

6.5.1 OVERVIEW ................................................................................... 6-32
6.5.2 DRIVE............................................................................................ 6-33
6.5.3 DEVELOPER AGITATION............................................................. 6-34
6.5.4 DEVELOPMENT BIAS................................................................... 6-35
6.5.5 DEVELOPMENT UNIT DETECTION............................................. 6-35
6.5.6 TONER SUPPLY MECHANISM .................................................... 6-36
Overview ............................................................................................ 6-36
Toner Agitation................................................................................... 6-36
Toner Transport ................................................................................. 6-37
6.5.7 TONER CARTRIDGE DETECTION............................................... 6-38
6.6 PAPER FEED ......................................................................................... 6-39
6.6.1 OVERVIEW ................................................................................... 6-39
6.6.2 DRIVE – TRAYS 1 AND 2 ............................................................. 6-40
6.6.3 PAPER LIFT – TRAYS 1 & 2 ......................................................... 6-41
6.6.4 PAPER SIZE DETECTION – TRAYS 1 & 2 ................................... 6-42
6.6.5 PAPER HEIGHT DETECTION – TRAYS 1 & 2 ............................. 6-43
6.6.6 PAPER END DETECTION – TRAYS 1 & 2 ................................... 6-43
6.6.7 REGISTRATION ............................................................................ 6-44
6.6.8 PAPER FEED LINE SPEED .......................................................... 6-45
6.6.9 BY-PASS TRAY............................................................................. 6-46
6.7 IMAGE TRANSFER AND PAPER SEPARATION .................................. 6-47
6.7.1 OVERVIEW ................................................................................... 6-47
6.7.2 TRANSFER BELT DRIVE.............................................................. 6-48
6.7.3 TRANSFER AND CLEANING CURRENT ..................................... 6-49
6.7.4 TRANSFER BELT CLEANING ...................................................... 6-50
6.7.5 TRANSFER BELT CONTACT ....................................................... 6-51
Mechanism......................................................................................... 6-51
ACS (Auto Color Sensing) Mode........................................................ 6-52
6.8 FUSING .................................................................................................. 6-53
6.8.1 OVERVIEW ................................................................................... 6-53
6.8.2 FUSING UNIT DRIVE .................................................................... 6-54
6.8.3 FUSING TEMPERATURE CONTROL........................................... 6-55
Fusing Temperatures ......................................................................... 6-55
Temperature Corrections ................................................................... 6-56
Overheat Protection ........................................................................... 6-56
6.8.4 OIL SUPPLY AND CLEANING ...................................................... 6-57
6.8.5 NEW FUSING OIL SUPPLY UNIT DETECTION ........................... 6-58
6.8.6 NEW FUSING UNIT DETECTION ................................................. 6-59
6.8.7 ENERGY SAVER MODE ............................................................... 6-60
Level 1 Energy Saver Mode ............................................................... 6-60
Level 2 Energy Saver Mode ............................................................... 6-60
6.9 PAPER EXIT........................................................................................... 6-61
6.9.1 OVERVIEW ................................................................................... 6-61
6.9.2 PAPER OVERFLOW DETECTION................................................ 6-62
6.10 CONTROLLER ..................................................................................... 6-63
6.10.1 OVERVIEW ................................................................................. 6-63
6.10.2 BOARD LAYOUT......................................................................... 6-65
6.10.3 PRINT DATA PROCESSING....................................................... 6-66
RPCS Driver....................................................................................... 6-66
G060 vi SM