Ricoh J-P2 - Page 12

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6.7 IMAGE TRANSFER AND PAPER SEPARATION .................................. 6-58
6.7.1 OVERVIEW.................................................................................... 6-58
6.7.2 TRANSFER BELT DRIVE.............................................................. 6-59
6.7.3 TRANSFER CURRENT ................................................................. 6-60
6.7.4 TRANSFER BELT CLEANING ...................................................... 6-61
6.7.5 TRANSFER BELT CONTACT ....................................................... 6-62
Mechanism......................................................................................... 6-62
Transfer Belt Sensor .......................................................................... 6-63
ACS (Auto Color Sensing) Mode........................................................ 6-64
6.8 FUSING .................................................................................................. 6-65
6.8.1 OVERVIEW.................................................................................... 6-65
6.8.2 FUSING UNIT DRIVE .................................................................... 6-66
Belt and Rollers.................................................................................. 6-66
Fusing Clutch ..................................................................................... 6-66
6.8.3 FUSING TEMPERATURE CONTROL........................................... 6-67
Fusing Temperatures ......................................................................... 6-67
Temperature Corrections ................................................................... 6-68
Overheat Protection ........................................................................... 6-68
6.8.4 OIL SUPPLY AND CLEANING ...................................................... 6-69
Oil Supply Pad and Roller .................................................................. 6-69
Oil Supply Mechanism ....................................................................... 6-70
6.8.5 WASTE OIL ................................................................................... 6-71
Bottle Set Sensor ............................................................................... 6-71
Waste Oil Sensor ............................................................................... 6-72
6.8.6 NEW FUSING OIL SUPPLY UNIT DETECTION ........................... 6-73
6.8.7 NEW FUSING UNIT DETECTION................................................. 6-74
6.8.8 ENERGY SAVER MODE............................................................... 6-75
Level 1 Energy Saver Mode............................................................... 6-75
Level 2 Energy Saver Mode............................................................... 6-75
6.9 PAPER EXIT........................................................................................... 6-76
6.9.1 OVERVIEW.................................................................................... 6-76
6.9.2 PAPER OVERFLOW DETECTION................................................ 6-77
6.10 CONTROLLER ..................................................................................... 6-78
6.10.1 OVERVIEW.................................................................................. 6-78
6.10.2 BOARD LAYOUT......................................................................... 6-80
6.10.3 PRINT DATA PROCESSING....................................................... 6-81
RPCS Driver....................................................................................... 6-81
PCL5c Driver...................................................................................... 6-81
PS3 Driver.......................................................................................... 6-82
CMS (Color Management System) .................................................... 6-82
Gray Correction.................................................................................. 6-82
BG/UCR (Black Generation/Under Color Removal) ........................... 6-82
Gamma Correction............................................................................. 6-82
Toner Limitation ................................................................................. 6-83
Dither Processing and ROP/RIP ........................................................ 6-83
6.10.4 CONTROLLER FUNCTIONS....................................................... 6-84
Sample Print....................................................................................... 6-84
Locked Print ....................................................................................... 6-84
Paper Source Selection ..................................................................... 6-85