Canon NP7161 User Manual

Highlights the main features of the copier, including its design, speed, and photo mode.

Details the technical specifications of the copier, including its type, light source, and mechanisms.

Identifies and illustrates the external and internal parts of the copier and cassette feeding module.

Explains how to operate the copier, including the control panel functions and user modes.

Provides instructions for routine maintenance tasks that users can perform on the copier.

Lists important points for users to note regarding toner cartridges and waste toner boxes.

Describes the basic construction of the copier in reference to image formation.

Explains the fundamental functional blocks of the copier: pick-up, exposure, image formation, and control.

Details the major electrical mechanisms controlled by the microprocessor on the DC controller PCB.

Illustrates the sequence of operations when the copier is turned on.

Shows the circuit used to control the main motor (M1).

Details the inputs from various sensors and switches to the DC Controller.

Details the outputs from the DC controller to various motors, lamps, and solenoids.

Describes the connections for accessories like ADF, Sorter, and Control Card.

Explains how the reproduction ratio is varied by the lens and scanner drive systems.

Details how the lens and mirror motors are driven and controlled.

Describes the scanner motor operation and its relationship with the DC controller.

Covers document size detection methods using ADF and document sensors.

Provides important notes and steps for disassembling and assembling the exposure system.

Illustrates the basic construction of the copier related to image formation.

Details the sequence of operations for image formation for different copier models.

Explains how the scanning lamp intensity is controlled for optimal image quality.

Describes the control of primary/transfer bias for corona charging.

Details the control mechanisms for developing and separation static eliminator bias.

Explains the control of the blank exposure lamp for image formation.

Describes the functions of the developing assembly and drum cleaner assembly.

Overview of the pick-up and feeding path and sensors used in the copier.

Details the pick-up operation from the cassette using solenoids and motors.

Explains the pick-up operation when using the multifeeder.

Describes how to control the registration clutch for proper paper alignment.

Explains how the copier detects and signals paper jams.

Provides steps for disassembling and assembling pick-up and feeding components.

Describes the fixing system's function and components like rollers and heaters.

Explains how the copier controls fixing temperature based on paper type.

Details the error detection circuit for the fixing assembly, monitoring temperature and activation.

Provides steps for disassembling and assembling the fixing system components.

Details the function and orientation of the cooling and exhaust fans.

Describes the AC and DC power supply circuits and their components.

Explains the protection mechanisms within the power supply circuitry.

Provides steps for disassembling and assembling external covers and panels.

Details the signals and connections for the cassette feeding module.

Explains the pick-up and feeding operations of the cassette feeding module.

Describes the control circuit for the cassette motor (M101).

Illustrates the sequence of operations for pick-up and feeding from the cassette.

Explains the waste toner box swing control mechanism.

Details how jams are detected within the cassette feeding module.

Provides steps for disassembling and assembling the cassette feeding module.

Outlines the requirements for selecting a suitable installation site for the copier.

Guides through the unpacking and initial setup steps for the copier.

Provides steps for safely relocating the copier.

Details the procedure for installing the Control Card IV N.

Provides instructions for installing the Remote Diagnostic Device II.

Explains how to install the accessory counter.

Details the installation procedure for the accessory heater.

Lists parts that require periodic replacement and their expected life.

Lists consumable and durable parts of the copier with part numbers and expected life.

Provides a chart outlining scheduled servicing steps and checks.

Presents a table detailing regular servicing intervals for copier parts.

Introduction to using troubleshooting tables for common copier issues.

Details mechanical adjustments and standards for image quality.

Troubleshooting steps for issues related to the image formation system.

Addresses common problems related to paper feeding and jamming.

Identifies sensors, switches, motors, fans, clutches, and PCBs within the copier.

Explains how to enter and use the copier's service mode for diagnostics and adjustments.