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Table of Contents
Troubleshooting
Related Manuals for Oki C650dn
Summarization of Contents
1. Getting started
Safety precautions
Provides safety instructions to follow before operating the product.
General cautions
Covers warnings for safe operation, including electrical shock, fire hazards, and improper use.
Preface
Provides emergency first aid for toner exposure and environmental information.
Trademarks
Lists registered trademarks, compliance statements, and cable information for product evaluation.
About this manual
Explains manual structure, copyright notice, and conventions used for descriptions and illustrations.
About the description
Details marks, symbols, abbreviations, and illustrations used for clarity in the manual.
Features of this machine
Highlights key machine features like space-saving design, full front access maintenance, and short warm-up time.
2. Connecting to the PC after preparing this machine
Installation
Details installation environment requirements, including temperature, humidity, space, and warnings against improper locations.
Unpacking
Instructions for safely unpacking the machine, emphasizing weight, handling precautions, and storage of packing materials.
Checking accessories
List of included accessories to verify after unpacking, including main unit, toner cartridges, setup guide, and power cord.
Installing the starter toner cartridge
Step-by-step guide for installing the starter toner cartridge, with notes on optional cartridge usage and compatibility.
Installing options
Explains installation of optional components like Wireless LAN module, Expansion tray unit, and Dedicated caster stand.
Connecting the power cord
Details on connecting the power cord, covering power supply requirements, maximum consumption, and safety warnings.
Loading paper in the tray
Procedure for loading paper into the paper cassette, including sliding paper guides and aligning edges.
Connecting via a wired LAN
Steps to connect the machine via a LAN cable and set IP address information.
Connecting via a wireless LAN
Explains connection via wireless LAN using Infrastructure or AP mode, with setup and security details.
Connecting via USB
Instructions for connecting the machine to a PC using a USB 2.0 cable, noting compatibility and connector types.
Installing software on a PC
Guide for installing printer drivers and software for Windows (from DVD/website) and macOS (from DVD).
3. Basic operations
Parts identification
Diagrams and descriptions of the main unit's parts, including front, inside, and back views.
Turning the power on/off
Procedure for turning the machine's power on and off, including LED indicators and shutdown process.
Loading paper
Explains applicable paper types, precautions, paper storage, and loading procedures.
Setting the output bin
Details how the machine outputs paper to the output tray or rear output tray.
Checking the configuration
How to print and check the machine's configuration or printer usage report.
How to use levers L1 and L2
Instructions on operating the L1 and L2 levers for accessing internal components like image drum.
4. Changing settings from the operator panel
Parts identification of the operator panel
Identifies and explains the function of each button and indicator on the operator panel.
Adjusting the display orientation
How to adjust the angle of the display for better viewing.
Inputting text
Explains how to input alphabetic and numeric characters using the numeric keypad.
Changing settings
Describes how to navigate menus and change various machine settings.
Adjusting the buzzer volume
Adjusts the volume for various buzzers like paper jam and printing completion.
Setting the power save function
Configures the time before entering power save and sleep modes, and auto power off.
5. Printing
Printing from a PC
Instructions for printing from a PC using Windows PCL, PS drivers, and macOS.
Screens and functions of the printer driver
Explains the different tabs and functions within the Windows PCL and PS printer drivers.
Printing on various types of paper
Guides for printing on envelopes, labels, and long paper, including loading and driver settings.
Printing methods
Details various printing methods like one-sheet-at-a-time, enlargement/reduction, and booklet printing.
Printing in economy mode
Instructions for printing on both sides of paper to save resources.
Printing in the toner save mode
How to adjust toner saving levels to reduce toner consumption during printing.
N-in-1 printing
Printing multiple pages onto a single sheet of paper for space and paper saving.
Printing as an image (image)
Option to shorten printing time by sending print data as an image, available for PCL driver.
Color setup
How to print color data in monochrome using PCL, PS drivers, and macOS.
Color matching in the printer driver
Explains color matching settings in the printer driver to ensure consistency between devices.
Simulating print results
Simulates offset printing characteristics by adjusting CMYK color data.
Printing with color separation
Function for color separation printing, applicable without extra software.
Adjusting registration manually
Procedure to manually adjust print registration when automatic adjustment is insufficient.
Adjusting the density manually
Manually adjusting print density for better print quality when concerned about current density.
Adjusting the color balance (density)
How to adjust color balance by printing a color tuning pattern and checking colors.
Changing mono print mode
Adjusts the print mode for mono pages, with options like Auto, Color Mode, and Normal Mode.
Refining your finishing
Tips for enhancing print results like sharper photos and specified print resolution.
Printing by correcting fine lines
Enables fine line correction to prevent faint lines or inconsistent thickness.
Printing by specifying the font to use
Instructions on using printer-specific fonts or PC fonts for printing.
Changing black finishing
How to change finishing for black parts in color printing for better photo or character printing.
Blurring white streaks between text and background (black overprint)
Eliminates white streaks by printing black text over colored backgrounds.
Inconspicuous white streaks in color superposition (trapping function)
Uses trapping function to make white or colored streaks between overlapping objects less noticeable.
Useful functions
Describes useful printing functions like collating pages, printing from last page, and auto tray selection.
Printing with multiple pages sorted into one complete set (Collate)
Prints multiple pages and collates them into one complete set.
Printing from the last page of your document
Prints pages in order or reverse order, depending on output tray selection.
Printing by automatically selecting a tray for the specified paper
Automatically selects the tray matching paper size and type for printing based on driver settings.
Switching tray automatically at running out of paper
Automatically switches to another tray when the current feeding tray is empty.
Changing default settings of the printer driver
Allows setting frequently used functions as default printer driver settings.
Printing with frequently used settings registered in the printer driver
Saves frequently used settings in the printer driver for quick access.
Printing data stored in this machine
Stores print data in machine memory for faster PC work and background operation.
Printing data from a USB memory
Prints data saved on a USB memory device connected to the machine.
Canceling the printing
How to cancel printing data being printed or ready to print from the operator panel or PC.
6. Management of this machine
Admin password
Explains how to check, input, and change the admin password for machine settings.
Changing settings of Admin Setup
Procedure for changing machine settings via the operator panel as an administrator.
Web page (Managing this machine from a PC)
How to manage the machine by accessing its web page from a PC for various settings.
User restriction (Access control)
Enables permitted operations for authenticated users and defines access control methods.
Initializing the settings
How to initialize network settings or flash memory, returning the machine to factory defaults.
Moving/Transporting this machine
Instructions for safely moving or transporting the machine, including packing and component removal.
Disposal
Recommendation to erase registered information before disposing of the machine.
7. Useful software
Software list
Lists and describes Windows and macOS software for managing the machine and its features.
Installing software
Procedure for installing software using the included DVD or downloading from the website.
Monitoring Tool (Windows)
Manages firmware, software updates, and maintenance parts replacement periods using Monitoring Tool.
Network Extension
Check and set optional configurations, requires TCP/IP to be enabled for Network Extension.
Color Swatch Utility
Print RGB color samples and adjust RGB values to achieve desired colors from applications.
Color Correct Utility
Adjusts color palette, gamma values, and hues for better color accuracy in prints.
PS Gamma Adjuster
Adjusts halftone density of CMYK colors for better image quality, especially for dark images.
Configuration Tool
Allows management and changing of settings for multiple machines from a PC.
OKI LPR Utility
Print via network, manage print jobs, and check machine state using OKI LPR Utility.
Network Card Setup Utility (macOS)
Utility for setting network configuration, including IP address and web settings for macOS.
Print Job Accounting Client
Sets user information for job accounting and access control functions via the printer driver.
8. Printing from a mobile device
Printing from a mobile device
Guides on using Mobile Print application, connecting via access point, and NFC function.
Printing by connecting to an access point
Connect mobile device to network via access point or directly to machine via Wireless(AP Mode).
Printing with the NFC function
Print using NFC function if mobile device supports it; requires Wireless LAN (AP mode) to be enabled.
Enabling wireless LAN (AP mode)
Steps to enable Wireless(AP Mode) setting on the machine for mobile printing.
Printing with this machine registered with the app
Registering the machine with a mobile application via NFC and Wi-Fi for printing.
AirPrint
Overview of AirPrint for printing from iPhone, iPad, iPod touch, and Mac without installing drivers.
Setting AirPrint
Connect machine to mobile device network and register machine on Mac for AirPrint usage.
Registering this machine on Mac
First-time registration of the printer on a Mac for AirPrint functionality.
Printing with AirPrint
Instructions for printing from iOS devices and Mac using AirPrint.
Printing from an iOS device
Steps to print photos, images, or web pages from an iOS device using AirPrint.
Printing from Mac
Steps to print from a Mac using AirPrint, including setting options.
Showing troubleshooting tips on a mobile device
Provides error correction methods and links to detailed solutions via NFC or mobile app.
Troubleshooting for the mobile device
Troubleshooting steps for Mobile Print, including registration and printing issues.
9. Maintenance
Precautions for replacing consumables
Important safety precautions and handling guidelines for replacing consumables like toner and drums.
Service life and replacement cycle of consumables
Details service life and replacement cycles for toner cartridges and image drums.
Replacing the black(K) toner cartridge and the waste toner box
Step-by-step guide for replacing the black toner cartridge and waste toner box.
Replacing the toner cartridge (C/M/Y)
Instructions for replacing cyan, magenta, and yellow toner cartridges.
Replacing the image drum
Procedure for replacing the image drum, emphasizing careful handling and light exposure.
Service life and replacement cycle of maintenance parts
Details service life and replacement cycles for maintenance parts like belt and fuser units.
Replacing the belt unit
Step-by-step instructions for replacing the belt unit, including safety precautions.
Replacing the fuser unit
Procedure for replacing the fuser unit, highlighting caution for hot parts and handling.
Cleaning the main unit and the parts
Guides for cleaning the LED head, main unit surface, and paper feed rollers.
Updating software
Instructions on how to update printer driver and other software to the latest version.
Deleting software
Steps for uninstalling Windows and macOS printer drivers.
Firmware update
How to update the printer firmware using the Monitoring Tool for Windows.
10. Troubleshooting
When an error message appears on the display
Explains how to interpret and resolve error messages displayed on the machine.
When paper is jammed
Troubleshooting steps for various paper jam error codes, including belt and fuser unit clearing.
Trouble with printing
Covers common printing problems like 'I cannot print' and network connection issues.
Troubleshooting for printing results
Identifies printing result issues like streaks, faint print, and dots, providing solutions.
Software troubleshooting
Guidance on troubleshooting issues related to the Monitoring Tool software.
Troubleshooting for this machine and paper
Covers problems like no display, machine frozen, output tray issues, and paper feed problems.
Appendix
Specifications
Provides general and printing specifications for the machine, including dimensions and compatible OS.
Dimensions
Illustrates the machine's dimensions in plan and side views, with and without options.
Using the FAQ guide of this machine
How to search for solutions using the FAQ guide via mobile app or PC.
Contact us
Lists contact information and website URLs for various countries and regions.
Menu tree
Visual representation of the machine's menu structure for operator panel and web interface.
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