Ricoh LDD250, Руководство по обслуживанию

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MECHANISM OVERVIEW
C262/C265 6-6 SM
6.1.3 TABLE OF ELECTRICAL COMPONENTS
Boards
Index No. Name Function
1 Operation Panel Board Controls the operation panel.
2 Main Motor Control
Board Controls the main motor speed.
3 Power Supply Unit
(PSU) Provides DC power to the machine.
4 I/O Board Controls the mechanical components.
5 Double Feed Detection
Board Detects double feeds
6 Application Control Unit
(ACU) This is the main control board for the machine.
7 Engine Control Unit
(ECU) Controls the engine functions, both directly and
through other boards.
12 Lamp Stabilizer This supplies power to the exposure lamp.
14 CCD and SBU Makes a video signal from the scanned original.
20 Feed Pressure Detection
Board Sends data about the paper feed pressure to the
CPU.
31 Paper Width Detection
Board Sends data about the paper width on the paper
table to the CPU.
34 Separation Pressure
Detection Board Sends data about the paper separation pressure to
the CPU.
59 Ink Detection Board Checks if there is ink in the drum.
Motors
Index No. Name Function
15 Scanner Drive Motor Drives the scanner.
17 Registration Pressure
Motor Releases the pressure between the registration
rollers, to allow jammed paper to be removed
easily.
21 Feed Pressure Motor Drives the paper feed pressure adjustment
mechanism.
24 Registration Motor
Feeds the paper to align it with the image on the
master on the drum.
26 Paper Feed Motor Feeds the paper from the paper table.
30 Paper Table Motor Raises and lowers the paper table.
35 Separation Pressure
Motor Drives the paper separation pressure adjustment
mechanism.
39 Friction Pad Shift Motor Switches between the normal pad and custom pad
(these pads are used for paper separation).
48 Ink Pump Motor Drives the ink pump to supply ink.
50 Idling Roller Motor
Presses or releases the idling roller against the
drum metal screen.
52 Drum Shift Motor Slides the drum metal screen position to the front
or rear for the side-to-side image shifting mode.
60 Master Eject Motor Sends used masters into the master eject box.