Why are bold characters and dark lines smeared on my Oki B411d?
- JJames MuellerSep 6, 2025
If your Oki Printer is printing bold characters and dark lines that are smeared, install a new toner cartridge, as the toner is likely low.
Why are bold characters and dark lines smeared on my Oki B411d?
If your Oki Printer is printing bold characters and dark lines that are smeared, install a new toner cartridge, as the toner is likely low.
What to do if printing does not resume after removing jammed paper from Oki B411d Printer?
If printing does not resume after removing jammed paper from your Oki Printer, try opening and closing the top cover.
Why are pages curling excessively from my Oki B411d Printer?
If your Oki Printer is printing pages that curl excessively, turn the paper over in the tray, noting the arrow on the paper package, and install the paper print side down. Also, avoid storing paper in areas of excessive temperature and humidity, and keep it in protective wrapping. The recommended operating humidity is 20-80%.
Color | No |
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Print technology | Laser |
Maximum resolution | 2400 x 600 DPI |
Economical printing | Yes |
Time to first page (black, normal) | 5 s |
Print speed (black, normal quality, A4/US Letter) | 33 ppm |
Processor model | 405 |
Processor family | PowerPC |
Maximum internal memory | 320 MB |
Sound power level (standby) | 30 dB |
Sound pressure level (printing) | 54 dB |
Total input capacity | 250 sheets |
Total output capacity | 150 sheets |
Maximum input capacity | 781 sheets |
Total number of input trays | 1 |
Maximum number of input trays | 2 |
Multi-Purpose tray input capacity | 1 sheets |
Bitmap fonts | OCR-A, OCR-B |
Printer fonts | Bitmap, PCL |
Printing colors | Black |
Maximum duty cycle | 60000 pages per month |
Recommended duty cycle | 3000 pages per month |
Page description languages | Epson FX, IBM ProPrinter, PCL 5e, PCL 6, PostScript 3 |
Envelopes sizes | 7 3/4, 9, 10, C5, C6, DL |
Maximum print size | 216 x 356 mm |
Paper tray media types | Banner, Envelopes, Plain paper |
Paper tray media weight | 60 - 120 g/m² |
Non-ISO print media sizes | Executive (184 x 267mm), Legal (media size), Letter (media size), Statement (140 x 216mm) |
ISO A-series sizes (A0...A9) | A4, A5, A6 |
JIS B-series sizes (B0...B9) | B5 |
Maximum ISO A-series paper size | A4 |
Multi-Purpose Tray media weight | 60 - 163 g/m² |
Power requirements | 230V |
Compatible operating systems | Windows 2000/2003/XP/Server 2008/Vista/7 Mac OS 10.3.9 + |
AC input frequency | 50 - 60 Hz |
Power consumption (printing) | 900 W |
Power consumption (PowerSave) | 8 W |
Display | - |
Sustainability certificates | ENERGY STAR |
Storage temperature (T-T) | -10 - 43 °C |
Operating temperature (T-T) | 10 - 32 °C |
Storage relative humidity (H-H) | 10 - 90 % |
Operating relative humidity (H-H) | 20 - 80 % |
Standard interfaces | Parallel, USB 2.0 |
USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
Dimensions (WxDxH) | 387 x 364 x 244.5 mm |
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States the manufacturer's no responsibility for errors or changes affecting information applicability.
Lists registered trademarks of Oki and other companies mentioned in the guide.
Details the key features of the B411 and B431 printers, including memory, speed, and emulations.
Explains the manual's scope, noting that illustrations may reflect different models.
Provides a list of abbreviations and their meanings used throughout the manual.
Identifies external components of the printer from the front.
Identifies internal components of the printer.
Identifies external components of the printer from the rear.
Describes the B411 operator panel with its LEDs, LCD, and Online button.
Explains the status and meanings of the Ready and Attention LEDs.
Details the LCD display and the primary/secondary functions of the Online button.
Covers changing display language and using the Configuration Tool for settings.
Explains the printer's internal menu structure and how settings are grouped.
Lists and describes various menus within the B411 Configuration Tool.
Describes the B431 operator panel, including its LCD, menu buttons, and LED indicators.
Details the function of each control element on the B431 operator panel.
Covers the Information, Shutdown, Print, Media, System, and other menus for the B431.
Provides guidelines for selecting appropriate paper and envelopes for the printer.
Offers guidelines for using transparencies and adhesive labels with the printer.
Provides recommendations for selecting and using postcards with the printer.
Details the paper sizes and weights supported by Tray 1 and Optional Tray 2.
Explains how the printer automatically feeds paper from multiple trays.
Instructions for loading paper into the multi-purpose tray on the B431 model.
Instructions for loading paper into the manual feed tray on the B411 model.
Describes the face-down and face-up paper exit paths and their usage.
Guides on setting paper feed, size, and media type via printer controls.
Steps to configure media size, type, and weight for the B411 using the Configuration Tool.
Steps to configure paper feed, size, and type using the B431 control panel.
Instructions for setting paper size via the printer's menu.
Details the parallel port for direct PC connection and required cable.
Describes the USB 2.0 port for PC connection and compatibility notes.
Explains the LAN port for network cable connection, standard on B411dn/B431dn.
Guides on locating and installing printer drivers from the provided CD-ROM.
Overview of accessing printer settings via operator panel, Configuration Tool, and Windows driver.
How to adjust print settings through application dialogs and properties.
Details on configuring PCL emulation via Setup, Job Options, and Image tabs.
Explains PS emulation settings via Layout, Paper/Quality, and Job Options tabs.
Configuration options for page orientation, duplex printing, and pages per sheet.
Options for setting paper source and quality parameters.
Settings for print resolution, toner saving, watermarks, and copies.
How to adjust printer settings globally via the Windows Control Panel.
Lists printer features and allows setting default printing preferences.
Configuration for printer availability times, spooling, and priority.
Selection of optional printer upgrades installed on the device.
Setting paper sizes for feed trays and configuring font options.
Guidance for configuring printer settings on Macintosh systems.
Explains auto and manual duplex printing for B411 and B431 models.
Introduction to creating and using custom stationery with overlays and macros.
Steps to create overlay images and project files for PostScript printers.
Procedure to define created overlays in the printer's preferences.
How to apply defined PostScript overlays to documents.
Steps to create overlay images and project files for PCL printers.
Procedure to define created PCL overlays in the printer's preferences.
How to apply defined PCL overlays to documents.
Lists order numbers for toner cartridges and image drums.
Information on toner cartridge life, replacement indicators, and procedures.
Step-by-step instructions for safely replacing the toner cartridge.
Information on image drum life, replacement indicators, and procedures.
Step-by-step instructions for safely replacing the image drum unit.
Procedure to print a cleaning page to resolve print quality issues.
Instructions for cleaning the LED array, typically done during maintenance.
How the printer provides status feedback and error messages.
Explains common causes of paper jams and general clearing procedures.
Steps to clear paper jams occurring at the paper tray input.
Steps to clear paper jams within the printer's feed and exit paths.
Troubleshooting guide for common print quality issues and their solutions.
Troubleshooting common issues related to paper feeding and multiple sheet feeding.
Diagnosing issues related to software, drivers, and application settings.
Troubleshooting common hardware-related issues affecting printer performance.
Lists optional upgrades like RAM DIMM and second paper tray with order numbers.
Guides users to follow detailed installation sheets for printer options.
Provides physical dimensions, weight, printing method, speed, and OS compatibility.