Ricoh J012 Service Manual page 19

Display Count: Automatic Print Head Cleanings (After De-Cap Time
Elapsed) ............................................................................................. 5-95
Display Count: Maintenance Cleanings of Right Vent ........................ 5-95
Display Count: Air Detections Before Maintenance Cleanings ........... 5-95
5.4 BIT SWITCHES........................................................................................ 5-96
5.4.1 CHANGING BIT SWITCH SETTINGS ............................................ 5-96
5.4.2 BIT SWITCH SUMMARY ................................................................ 5-97
DETAILED DESCRIPTIONS SECTION
6. DETAILED DESCRIPTION SECTION ......................................... 6-1
6.1 IMPORTANT PARTS ................................................................................. 6-1
6.1.1 J012 .................................................................................................. 6-1
Front View: J012 .................................................................................. 6-1
Rear View: J012 ................................................................................... 6-3
6.1.2 J013/J014 ......................................................................................... 6-5
Front View: J013/J014.......................................................................... 6-5
Rear View: J013/J014 .......................................................................... 6-7
6.2 BOARDS.................................................................................................... 6-9
6.2.1 BOARD CIRCUIT DIAGRAM ............................................................ 6-9
6.2.2 BOARD LAYOUT DIAGRAM .......................................................... 6-10
6.3 ELECTRICAL COMPONENTS ................................................................ 6-11
6.3.1 OVERVIEW..................................................................................... 6-11
ARDF Unit .......................................................................................... 6-11
Scanner Unit....................................................................................... 6-12
Printer Engine..................................................................................... 6-13
6.3.2 ELECTRICAL COMPONENT SUMMARY ...................................... 6-16
ADF. ................................................................................................... 6-16
Scanner .............................................................................................. 6-17
Printer Engine..................................................................................... 6-18
6.4 PRINT HEADS ......................................................................................... 6-28
6.4.1 OVERVIEW..................................................................................... 6-28
6.4.2 PRINT HEAD .................................................................................. 6-28
Print Head Specifications ................................................................... 6-28
6.4.3 PRINT HEAD TANK........................................................................ 6-29
6.4.4 INK EJECTION DEVICE ................................................................. 6-31
6.4.5 INK NEAR END .............................................................................. 6-31
6.4.6 INK OUT ......................................................................................... 6-32
6.4.7 REGISTRATION SENSORS........................................................... 6-33
1st Registration Sensor ...................................................................... 6-33
2nd Registration Sensor ..................................................................... 6-34
6.5 INK ........................................................................................................... 6-35
6.5.1 VISCOUS INK (LIQUID GEL) ......................................................... 6-35
6.5.2 WIDE PRINT HEAD ........................................................................ 6-35
6.5.3 BELT TRANSFER SYSTEM ........................................................... 6-37
6.5.4 LEVEL COLOR MODE ................................................................... 6-37
SM
CÓPIA NÃO CONTROLADA
vii
CÓPIA NÃO CONTROLADA
J012/J013/J014