Ricoh J001 Service Manual page 306

6.3.7 Registration Sensors....................................................................6-10
6.4 Ink Supply System ...........................................................................6-12
6.4.1 Overview ......................................................................................6-12
6.4.2 Ink cartridges................................................................................6-13
6.4.3 Ink Cartridge Set Sensors ............................................................6-14
6.4.4 Ink Pumps ....................................................................................6-15
6.4.5 Print Heads ..................................................................................6-16
6.4.6 Print Head Maintenance...............................................................6-19
6.4.7 Maintenance Unit .........................................................................6-19
6.4.8 Ink Collection Tank .......................................................................6-23
6.4.9 Ink Collection Ink level sensor......................................................6-24
6.4.10 Flushing Unit ................................................................................6-25
6.5 Carriage Drive .................................................................................6-26
6.5.1 Overview ......................................................................................6-26
6.5.2 Envelope Selector ........................................................................6-27
6.6 Paper Feed, Transport, Output ........................................................6-28
6.6.1 Overview ......................................................................................6-28
6.6.2 Cassette Lock/Release ................................................................6-28
6.6.3 Leading Edge and Paper Size Detection .....................................6-29
6.6.4 Paper Jam, Trailing Edge Detection.............................................6-29
6.6.5 Paper Transport Drive ..................................................................6-30
6.6.6 Paper Path ...................................................................................6-30
6.6.7 Transport Belt...............................................................................6-31
6.6.8 Charge Leak Detection ................................................................6-32
6.6.9 Cooling Fan..................................................................................6-33
6.6.10 Top Cover Switch .........................................................................6-33
6.7 Electrical Component Functions ......................................................6-35
6.7.1 Main Boards .................................................................................6-35
6.7.2 Control Board ...............................................................................6-36
6.7.3 CCB .............................................................................................6-37
6.7.4 DIB ...............................................................................................6-38
6.7.5 HRB .............................................................................................6-39
6.7.6 OPU .............................................................................................6-40
6.7.7 HVPS ...........................................................................................6-41
6.7.8 PSU..............................................................................................6-41
6.7.9 Electrical Component Summary...................................................6-41
6.8 Basic Operation ...............................................................................6-50
6.8.1 Initialization Sequence at Power On ............................................6-50
6.9 Image Processing ............................................................................6-51
6.10 Duplex Unit ......................................................................................6-52
6.10.1 Overview ......................................................................................6-52
6.10.2 Duplex Drive ................................................................................6-52
6.10.3 Duplexer Cover Switch.................................................................6-53
6.10.4 Duplexer Set Switch.....................................................................6-53
6.10.5 Bypass (Option) ...........................................................................6-54
6.11 Paper Feed Unit J506 (Tray 2) ........................................................6-56
6.11.1 Overview ......................................................................................6-56
6.11.2 Paper Feed ..................................................................................6-57
J007/J010/J011
CÓPIA NÃO CONTROLADA
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CÓPIA NÃO CONTROLADA
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