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Highlights the copier's key capabilities, design considerations, and performance aspects.
Details the technical specifications for different models (PC720, PC740, PC750, PC770).
Identifies external and internal components of the copier with diagrams.
Explains the operation of the control panel and basic copying procedures.
Details the core process of latent image formation, exposure, development, and transfer.
Covers secondary processes such as side blank exposure and their functions.
Outlines functional blocks, electrical circuitry, and input/output signals.
Explains the optical system, lens drive, and scanner drive mechanisms.
Details the sequence of operations for the image formation system and its components.
Describes the paper pick-up and feeding mechanisms for different paper paths.
Explains the function of the fan for ozone discharge and cooling.
Details the distribution of power and the construction of power supply circuits.
Covers calibration and adjustment procedures for key components.
Lists error codes, their causes, and corresponding descriptions for troubleshooting.
Covers the removal and reassembly of external covers for access to internal parts.
Explains the scanner drive assembly, cable routing, and lens drive system.
Details the assembly/disassembly of cassette, singlefeeder, and multiffeeder pick-up rollers.
Covers procedures for removing and installing the illuminating assembly.
Explains the cartridge construction and drum cleaning procedures.
Describes the construction and removal of the upper and lower fixing rollers and film.
Details the removal and installation of the DC controller PCB and composite power supply PCB.
Specifies environmental and site requirements for optimal copier operation.
Guides through unpacking, component check, and initial setup of the copier.
Outlines the procedure for safely moving the copier to a new location.
Lists components that require periodic replacement as part of maintenance.
Identifies parts classified as durable or consumable for maintenance planning.
Mentions that no specific parts require scheduled servicing on a periodical basis.
Provides crucial precautions for handling and storing the copier cartridge.
Displays timing charts for various operational sequences of the copier.
Lists and defines signals and abbreviations used throughout the service manual.
Provides an overall schematic of the copier's electrical system connections.
Offers detailed circuit schematics for the DC controller board.
Presents the circuit diagram for the composite power supply unit.
Illustrates the electrical schematic for the copier's control panel.
Shows the circuit diagram for the intensity and automatic exposure sensor.
Details circuit diagrams for various sensors used in the copier.
Displays the circuit diagram for the AC noise filter.
Provides the circuit diagram for high voltage contact points.
Shows the circuit diagram for the front blank exposure function.
Shows the circuit diagram for the rear blank exposure function.
Lists specialized tools required for specific maintenance or adjustment tasks.
Specifies the types of solvents and lubricating oils recommended for servicing.
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