Ricoh B089 Manual de servicio - Página 2

Navegue en línea o descargue pdf Manual de servicio para Copiadora Ricoh B089. Ricoh B089 19 páginas.

OVERALL INFORMATION

1. OVERALL MACHINE INFORMATION......................................... 1-1

1.1 SPECIFICATIONS...............................................................................1-1

1.2 MACHINE CONFIGURATION ...................................................................1-4

1.2.1 SYSTEM COMPONENTS ................................................................1-4

1.2.2 INSTALLABLE OPTIONAL TABLE...................................................1-6

Copier options.......................................................................................1-6

Fax option .............................................................................................1-6

Printer/scanner options .........................................................................1-6

1.3 PAPER PATH............................................................................................1-7

1.4 MECHANICAL COMPONENT LAYOUT ...................................................1-8

1.5 ELECTRICAL COMPONENT DESCRIPTIONS ......................................1-10

1.6 DRIVE LAYOUT ......................................................................................1-13

1.7 COPY PROCESS....................................................................................1-14

1.7.1 OVERVIEW ....................................................................................1-14

1.8 BOARD STRUCTURE.............................................................................1-16

1.8.1 OVERVIEW ....................................................................................1-16

1.8.2 CONTROLLER ...............................................................................1-18

DETAILED DESCRIPTIONS

2. DETAILED SECTION DESCRIPTIONS ....................................... 2-1

2.1 SUMMARY ................................................................................................2-1

2.2 SCANNING................................................................................................2-2

2.2.1 OVERVIEW ......................................................................................2-2

2.2.2 SCANNER DRIVE ............................................................................2-3

2.2.3 ORIGINAL SIZE DETECTION IN PLATEN MODE...........................2-4

2.3 IMAGE PROCESSING ..............................................................................2-6

2.3.1 OVERVIEW ......................................................................................2-6

2.3.2 SBU (SENSOR BOARD UNIT).........................................................2-7

2.3.3 AUTO IMAGE DENSITY...................................................................2-8

2.3.4 IPU (IMAGE PROCESSING UNIT)...................................................2-9

2.3.5 VIDEO CONTROL UNIT (VCU)......................................................2-21

2.4 LASER EXPOSURE................................................................................2-22

2.4.1 OVERVIEW ....................................................................................2-22

2.4.2 AUTO POWER CONTROL (APC) ..................................................2-23

2.4.3 LD SAFETY SWITCH .....................................................................2-24

2.5 PHOTOCONDUCTOR UNIT (PCU) ........................................................2-25

2.5.1 OVERVIEW ....................................................................................2-25

2.5.2 DRIVE.............................................................................................2-26

2.5.3 NEW PCU DETECTION .................................................................2-27

B089/B093

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