Ricoh G165 Service Manual page 18

Engine Firmware ...........................................................................5-53
5.4.2 MF MODEL ................................................................................5-54
Checking the Machine Firmware Version ......................................5-54
Updating the Controller Firmware..................................................5-54
Updating the Engine Firmware ......................................................5-56
5.4.3 BOOT LOADER FIRMWARE.....................................................5-57
DETAILED DESCRIPTIONS SECTION
6. DETAILED DESCRIPTIONS SECTION...................................6-1
6.1 MACHINE OVERVIEW .........................................................................6-1
6.1.1 COMPONENT LAYOUT ..............................................................6-1
Engine .............................................................................................6-1
6.1.2 PAPER PATH ..............................................................................6-2
6.1.3 DRIVE LAYOUT...........................................................................6-3
6.1.4 ELECTRICAL COMPONENT LAYOUT .......................................6-5
Engine .............................................................................................6-5
6.1.5 BOARD STRUCTURE .................................................................6-8
Descriptions.....................................................................................6-8
6.1.6 PRINTING PROCESS ...............................................................6-10
6.2 PROCESS CONTROL ........................................................................6-12
6.2.1 OVERVIEW................................................................................6-12
6.2.2 PROCESS CONTROL FLOW....................................................6-13
6.2.3 PROCESS CONTROL SELF-CHECK .......................................6-14
6.3 LASER EXPOSURE ...........................................................................6-17
6.3.1 OVERVIEW................................................................................6-17
6.3.2 OPTICAL PATH .........................................................................6-18
6.3.3 LD SAFETY SWITCH ................................................................6-19
6.3.4 MUSIC (MIRROR UNIT SKEW AND INTERVAL CORRECTION)6-20
6.4 AIO (ALL IN ONE) CARTRIDGE.........................................................6-21
6.4.1 OVERVIEW................................................................................6-21
6.4.2 DRIVE ........................................................................................6-22
6.4.3 OPC CHARGE AND CLEANING ...............................................6-23
6.4.4 WASTE TONER COLLECTION FROM THE OPC ....................6-24
6.4.5 TONER MIXING AND TRANSPORT .........................................6-25
G165/G166/G167/G181/G183/G184 vi SM