Ricoh J012 Service Manual page 20

6.6 INK SUPPLY ............................................................................................ 6-38
6.6.1 OVERVIEW..................................................................................... 6-38
6.6.2 PRINT CARTRIDGES..................................................................... 6-38
6.6.3 PRINT CARTRIDGE SET SENSORS............................................. 6-41
6.6.4 INK PUMPS .................................................................................... 6-42
6.6.5 PRINT HEADS................................................................................ 6-44
6.6.6 PRINT HEAD MAINTENANCE ....................................................... 6-46
Overview ............................................................................................ 6-46
6.6.7 MAINTENANCE UNIT .................................................................... 6-47
Overview ............................................................................................ 6-47
Maintenance Unit Cleaning Cycle ...................................................... 6-48
6.6.8 PRINT HEAD MAINTENANCE CYCLES ........................................ 6-51
6.6.9 INK COLLECTOR TANK................................................................. 6-53
6.6.10 INK COLLECTOR INK LEVEL SENSOR .................................. 6-54
6.6.11 FLUSHING UNIT....................................................................... 6-55
6.7 CARRIAGE DRIVE .................................................................................. 6-56
6.7.1 OVERVIEW..................................................................................... 6-56
6.7.2 ENVELOPE SELECTOR ................................................................ 6-58
6.8 PAPER FEED, TRANSPORT, PAPER EXIT ........................................... 6-59
6.8.1 OVERVIEW..................................................................................... 6-59
6.8.2 CASSETTE LOCK/RELEASE......................................................... 6-60
6.8.3 LEADING EDGE AND PAPER SIZE DETECTION......................... 6-61
6.8.4 PAPER JAM, TRAILING EDGE DETECTION ................................ 6-62
6.8.5 PAPER TRANSPORT DRIVE......................................................... 6-63
6.8.6 PAPER PATH ................................................................................. 6-64
6.8.7 TRANSPORT BELT ........................................................................ 6-65
6.8.8 CHARGE LEAK DETECTION......................................................... 6-66
6.8.9 COOLING FAN ............................................................................... 6-67
6.8.10 SCANNER UNIT SWITCH ........................................................ 6-67
6.9 BASIC OPERATION ................................................................................ 6-68
6.9.1 INITIALIZATION SEQUENCE AT POWER ON .............................. 6-68
6.10 IMAGE PROCESSING ....................................................................... 6-69
6.11 DUPLEX UNIT.................................................................................... 6-70
6.11.1 OVERVIEW ............................................................................... 6-70
6.11.2 DUPLEX DRIVE ........................................................................ 6-71
6.11.3 DUPLEXER COVER SWITCH .................................................. 6-72
6.11.4 DUPLEXER SET SWITCH ........................................................ 6-73
6.12 MULTI BYPASS TRAY (OPTION)...................................................... 6-74
6.13 PAPER FEED UNIT (OPTION) .......................................................... 6-76
6.13.1 OVERVIEW ............................................................................... 6-76
6.13.2 PAPER FEED............................................................................ 6-77
6.14 ADF. ................................................................................................... 6-78
6.14.1 OVERVIEW ............................................................................... 6-78
6.14.2 DRIVE ....................................................................................... 6-78
J012/J013/J014
CÓPIA NÃO CONTROLADA
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CÓPIA NÃO CONTROLADA
SM