What to do if my Samsung Printer has frequent paper jams or printing problems?
If the machine experiences frequent paper jams or printing problems, check the number of pages it has printed or scanned and replace the corresponding parts if necessary.
Should I replace the toner cartridge in my Samsung Printer?
It is recommended to replace the toner cartridge when it has almost reached its estimated cartridge life.
What to do if there is no paper in the tray of my Samsung ProXpress 402?
If there is no paper in the tray when receiving or printing data, load paper into the tray.
What to do if the paper is not feeding properly in my Samsung Printer?
If the paper is not feeding properly, open and close the front cover.
Why image defects appear at regular intervals on the printed-paper from my Samsung Printer?
Image defects that appear at regular intervals on printed paper may be due to a faulty or damaged roller. Refer to the table and check the condition of the appropriate roller.
What to do if my Samsung ProXpress 402 Printer cover is opened?
If the cover is opened, close it.
What to do if the paper does not move when I pull it out of my Samsung ProXpress 402?
If the paper does not move when you pull it out, pull tray 1 half-way out.
General safety advice for servicing by trained technicians, using Samsung parts, and laser safety.
Precautions regarding toxic materials and electric shock/fire hazards.
Guidelines for handling static-sensitive components to prevent damage.
Overview of printer specs: speed, processor, memory, interfaces, consumables.
Summary of key printer specs including speed, processor, memory, interfaces, and consumables.
General operational specs: temp, humidity, noise, power, dimensions, weight, reliability.
Print speed (simplex/duplex), FPOT, sleep mode, resolution, and emulation specs.
Details on processor, memory, driver OS compatibility, and network protocols.
Specs for paper tray capacities, media types, and weight.
Information on toner cartridge types, models, and yields.
Lists maintenance parts, part codes, and estimated lifespan in pages.
General overview of the printer's physical components.
Identifies external printer components visible from the front.
Identifies external printer components visible from the rear.
Diagram illustrating paper movement during printing processes.
Diagram showing the arrangement of internal engine and hardware parts.
Details on paper feeding mechanisms including cassettes and rollers.
Explains the electro-photographic process and toner system types.
Details the components and function of the fuser unit.
Explains the function and principle of the Laser Scanning Unit.
Describes the main and feed drive units and their components.
Lists the components of the printer's electrical circuit system.
Details components and functions of the main controller for specific models.
Details components and functions of the main controller for the M402xNX model.
Describes the OPE controller, its components, and communication.
Explains the SO-DIMM PBA as system memory and its types.
Details the Wireless LAN Module for specific models.
Describes the SCF PBA, its communication, and microcontroller.
Explains CRUM PBA usage and communication for different series.
Details the SMPS board's specifications, output, and connections.
Describes the HVPS board's function and high-voltage channels.
Explains the control algorithm for engine functions like feeding.
Explains paper feeding control and jam detection logic.
Details the control of charging, developing, and transfer voltage.
Details temperature control and error conditions for the fusing unit.
Explains LSU errors and recovery procedures.
Overview of the printer's software construction.
Overview of the printer's software construction.
Describes the architecture of the host software and firmware.
Explains data and control flow between host and firmware.
Safety precautions for assembly, disassembly, and handling PBAs.
General precautions for disassembly and using correct parts/screws.
Guidelines for handling Printed Circuit Board Assemblies (PBAs) safely.
Instructions on how to release plastic latches when removing parts.
Lists screw types, locations, and quantities for disassembly.
General section for replacing main service parts.
Instructions for removing left and right covers.
Instructions for removing the front cover.
Instructions for removing rear and top covers.
Instructions for removing the main board.
Instructions for removing the HVPS board.
Instructions for removing the SMPS board.
Instructions for removing the Laser Scanning Unit.
Step-by-step guide for removing and replacing the fuser unit.
Instructions for removing the main drive unit.
Instructions for removing the feed drive unit.
Instructions for replacing pickup, registration, and MP clutches.
Instructions for removing and replacing the pick-up roller.
Step-by-step guide for removing and replacing the transfer roller.
Instructions for removing the OPE board for specific models.
Instructions for removing and separating MP unit components.
Instructions for removing the bin-full sensor.
Instructions for removing registration, feed, and empty sensors.
Instructions for removing and replacing the reverse roller.
General section for SCF unit disassembly.
Instructions for removing the SCF right cover.
Instructions for removing the SCF main board.
Instructions for removing the SCF main motor.
Instructions for removing and replacing the SCF clutch.
Instructions for removing the SCF pick up/forward roller.
Instructions for removing the SCF reverse roller.
Instructions for removing the SCF main drive unit.
Instructions for removing the SCF lift assembly.
Instructions for removing the SCF pick-up unit.
Instructions for removing SCF pickup, empty, and feed sensors.
Describes service functions, maintenance, test outputs, and jam removal.
Explains the functions of buttons and LEDs on the control panel.
Explains the meaning of different LED status indicators on the machine.
Step-by-step guide for clearing paper jams in various trays.
Information on monitoring supplies, printing reports, and maintenance menus.
Identifies image defects and their corresponding faulty rollers.
Overview of management tools for printer configuration and monitoring.
Guide to using Samsung Easy Printer Manager for machine settings.
Explains how to use Samsung Printer Status for monitoring machine status.
Guide to accessing and using the SyncThru Web Service for configuration.
General section for updating printer firmware.
Instructions for updating printer firmware via USB.
Instructions for updating printer firmware via network.
Guide to entering and navigating the printer's service mode.
Flowchart for diagnosing printer problems based on symptoms.
A checklist for basic troubleshooting steps.
Lists error codes, messages, and troubleshooting steps.
Lists common image quality issues and their causes/solutions.
Covers multi-feeding, no-power, and touch screen calibration issues.
Block diagram of the M332x/382x/402xND series electrical system.
Block diagram of the M402xNX series electrical system.
Connection diagram for the M332x/382x/402xND series.
Connection diagram for the M402xNX series.
Lists recommended tools for troubleshooting and maintenance.
Defines technical terms used in the manual.
Displays a sample pattern for testing toner cartridge life and print speed.
Explains the model naming convention and code structure.
Lists document versions, dates, pages, and descriptions of changes.
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General