4/28/2017 new driver models for direct download:958
Oki Ml421n 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Oki Ml421n
Certifications for Oki Ml421n
5 stars for Oki Ml421n "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 4/28/2017 Updates

All drivers on are updated on daily basis.

However, a new version of Oki Ml421n might have been uploaded since our last site update.

Oki Ml421n Driver Download

Windows Compatibility for Oki Ml421n driver

Oki Ml421n Driver Details:

Oki Ml421n File Name:

Oki Ml421n Driver Version: 135lF

Oki Ml421n ZIP Size: 101.kb

Manufacturer: Oki

Oki Ml421n was fully scanned at: 4/26/2017
Scan Status: driver download scanOK

Oki Ml421n special revision for: Windows 7 Service Pack 1 (Microsoft Windows NT) 32 bit, Windows XP Professional x64 Edition 64 bit, Windows 7 Ultimate 64 bit, Windows Vista Home Premium 32 bit, Windows XP Media Center Edition 2003 64 bit, Windows 8 64 bit, Windows XP Starter Edition 64 bit, Windows 7 Professional 32 bit, Windows XP Media Center Edition 2004 64 bit, Windows 7 Home Premium 64 bit, Windows 7 Home Basic 32 bit

Oki Ml421n Download Stats:

Driver Uploaded: 2/6/2017

Direct Downloads: 925
Most Recent Download: 4/26/2017
Managed Downloads: 6755
Most Recent Download: 4/27/2017
Download Mirrors: 2
Current Delay: 18 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 747/925 Users

Success Reported By 203/747 Users

Driver Download Score64/100

Driver Installation Score61/100

Overall preformance Score71/100

Oki Ml421n 61 Thumbs Up61Thumbs
Oki Ml421n 17 Thumbs Down17Thumbs
Oki Ml421n driver direct download was reported as adequate by a large percentage of our reporters, so it should be good to download and install.

Installation Manager Success Stats:

Reports Issued By 5742/6755 Users

Success Reported By 4661/5742 Users

Driver Download Score78/100

Driver Installation Score86/100

Overall preformance Score82/100

Oki Ml421n 4228 Thumbs Up4228Thumbs
Oki Ml421n 336 Thumbs Down336Thumbs
Oki Ml421n driver installation manager was reported as very satisfying by a large percentage of our reporters, so it is recommended to download and install.


1. Direct Download

Select your OS and press "Download".

This option requires basic OS understanding.
Select Your Operating System, download zipped files, and then proceed to
manually install them.
Recommended if Oki Ml421n is the only driver on your PC you wish to update.


2. Driver Installation Manager

This option requires no OS understanding.
Automatically scans your PC for the specific required version of Oki Ml421n + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Oki Ml421n, or the driver installation manager, take a few minutes to send us a report:
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Other drivers most commonly associated with Oki Ml421n problems:

Oki Ml421n may sometimes be at fault for other drivers ceasing to function

These are the driver scans of 2 of our recent wiki members*

*Scans were performed on computers suffering from Oki Ml421n disfunctions.

Scan performed on 4/28/2017, Computer: HP HP Compaq 6735s

Outdated or Corrupted drivers:7/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Microsoft ACPI-SchalterUp To Date and Functioning
Mice And Touchpads
Alps Alps Pointing-device for VAIOUp To Date and Functioning
Microsoft Microsoft Arc Mouse (IntelliPoint)Up To Date and Functioning
WheelMouse HID mouseCorrupted By Oki Ml421n
Usb Devices
Microsoft Windows Phone 8Corrupted By Oki Ml421n
Sound Cards And Media Devices
NVIDIA MPU-401 Compatible MIDI DeviceUp To Date and Functioning
Network Cards
Broadcom Broadcom 802.11ac Network AdapterUp To Date and Functioning
Microsoft HID KeyboardCorrupted By Oki Ml421n
Hard Disk Controller
Silicon Integrated SiS PCI IDE ControllerCorrupted By Oki Ml421n
Intel Intel(r) AIM External Flat Panel Driver 1Outdated
Unibrain OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Texas Instruments Texas Instruments PCI-4510 CardBus ControllerOutdated
SMSC SMSC Fast Infrared DriverUp To Date and Functioning
Cameras, Webcams And Scanners
Intel Canon EOS 500DUp To Date and Functioning
Video Cards
Intel(R) HD Graphics 4000Corrupted By Oki Ml421n
Input Devices
Lenovo ThinkPad USB Travel Mouse (HID)Up To Date and Functioning
Port Devices
Mobile Connector Device Diagnostic Interface (COM11)Up To Date and Functioning
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 4/28/2017, Computer: Packard Bell IMEDIA D9351 AIO

Outdated or Corrupted drivers:9/21

Device/DriverStatusStatus DescriptionUpdated By Scanner
NVIDIA CoprocessorCorrupted By Oki Ml421n
Mice And Touchpads
Logitech HID mouseCorrupted By Oki Ml421n
Usb Devices
Texas Instruments Texas Instruments USB Root HubCorrupted By Oki Ml421n
Sierra Wireless Sierra Wireless WWAN DeviceCorrupted By Oki Ml421n
Sound Cards And Media Devices
NVIDIA NVIDIA GeForce GT 550MUp To Date and Functioning
ASUSTek ASUS TV7134 WDM TVTuner (FM1216ME)Up To Date and Functioning
Broadcom Audio Bluetooth.Up To Date and Functioning
Network Cards
Atheros Atheros L1 Gigabit Ethernet 10/100/1000Base-T ControllerUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel Primary IDE ChannelUp To Date and Functioning
Brother USB Printing SupportUp To Date and Functioning
Logicool Logitech Driver InterfaceUp To Date and Functioning
Texas Instruments Texas Instruments PCI-4510 CardBus ControllerCorrupted By Oki Ml421n
Intel Intel(r) AIM External TV Encoder Driver 4Corrupted By Oki Ml421n
Nokia Nokia 5230 USB LCIFUp To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP160Corrupted By Oki Ml421n
Video Cards
ATI RADEON X600 Series Secondary (Microsoft Corporation - WDDM)Up To Date and Functioning
Input Devices
Microsoft Microsoft Hardware USB KeyboardUp To Date and Functioning
Port Devices
hspa Modem Application1 port (COM4)Corrupted By Oki Ml421n
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAOutdated
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Oki Ml421n 8323411/25/201412/29/2016oki_ml421n-83234.exe92kbIBM 8123W8E, HP CQ1140JP, Sony VPCEH18FK, Toshiba SATELLITE PRO C850-19G, Acer Aspire5740, HP FK479AAR-ABA s3600t, HP HP Compaq 2710p, and more.
Oki Ml421n 6243012/22/201412/29/2016oki_ml421n-62430.exe69kbPanasonic CF-18NHH71BM, Sony VGN-FE18GP, HP PS354AA-ABX, HP 168B, and more.
Oki Ml421n R1.100991/28/201512/29/2016oki_ml421n-r1.10099.exe204kbHP PL482AA-AB4 w1084d, HP 800-050ea, HP NY584AA-AC4 600-1010b, Compaq EL445AA-ABA SR1750NX NA651, Sony VGN-TZ92S, WIPRO WSG59355W7S-0014, MSI MS-A95311, Compaq 5411EA 470029-828, LG T380-LARB1E, Gateway FX4710-UB802A, Acer TravelMate 8571, Compaq EG217AA-ABG SR1699AN AN540, NEC PC-VJ22ERNCHTLB, and more.
Oki Ml421n A232.19410/21/201412/29/2016oki_ml421n-a232.194.exe98kbHP EJ161AA-UUZ, Compaq ER100AA-ABA SR1625NX NA541, Panasonic CF-50GAKUUKM, Zoostorm 7876-0310B, Gateway 310 2900297, HP HP 500 Notebook PC, Compaq PX697AA-ABZ SR1419IT IT520, HP Rfrb h8-1100z, IBM 187263U, Lenovo 20ARA024KR, LG R710-S.AP55V, Lenovo ThinkCentre A60, AT TRILINE PROFI I102, and more.
Oki Ml421n M704222/21/201512/30/2016oki_ml421n-m70422.exe79kbSony VGN-FW21L, LG R380-A.APC4BA3, NEC PB12V00106, HP HP Pavilion dv7 Noteblook PC, Acer AX12300-U1801A, Sony VGN-Z690TJ, HP G5406f, Compaq Evo N620c, NEC PC-VZ500AD, HP NM798AA-UUZ IQ532ch, Toshiba SATELLITE C850-A798, and more.
Oki Ml421n 61.1391.110/14/201412/28/2016x-61.1391.1.exe208kbHP HP Compaq 6710s, Lenovo ThinkPad Edge E220s, SIEMENS SIMATIC IPC627C, Sony SVE15136CNS, Sony VGN-AW150Y, GETAC V100-X, HP HP Pavilion dv5000 ES248EA#ABD, Dell Vostro 3555, WIPRO WNBOBM4901-0022, NEC PC-MY18XAZ7HM95, NCR 7457-3500-8801, IBM 847691U, HP PS512AA-ABA a815, and more.
Oki Ml421n M826472/5/201512/29/2016gstssrv-m82647.exe171kbCrea NW SERIES, HP VN465AA-UUW HPE-010sc, HP HP Pavilion dv4 FT194EA#ABE, HP GG685AA-ABF a6117.f, Lenovo 6457WK5, Mitsubishi CX25XCZOTSBF, IBM IBM eServer 206m -[848510U, Toshiba Dynabook Satellite AW2, Compaq P8657C-ABA 8000Z NA510, Lenovo ThinkCentre A63, and more.
Oki Ml421n 22272.18/23/201412/30/2016oki_ml421n-22272.1.exe184kbOmni OTC-H3222D00, Fujitsu D2179-R1, LG R490-K.ARCWE1, Lenovo 7484WWY, HP ED723AA-B14 W5160.BE, Compaq ER922AA-ABA SR1834NX NA661, Fujitsu FMVLRD7N24, EDsys EPROI5120W7P, HP PN119AA-ABU, Packard Bell IXMM5740, Panasonic CF-W8EWYAJP, Lenovo ThinkCentre M75e, and more.
Oki Ml421n 2.11.1332.12/5/201512/29/2016fvkmcup-2.11.1332.1.exe49kbToshiba Satellite C850-B843, ASUS G750JX, HP S5680t, Lenovo Lenovo H320 10046, Toshiba SATELLITE P50-A-14L, Lenovo ThinkServer TS430, Panasonic CF-19AHNAHFL, HP FL402AA-ABZ s3630it, Toshiba SATELLITE NB10t-A-103, Panasonic CF-W8EWYAJP, IBM System x3550 M3 -[7944AC1, and more.
Oki Ml421n 61.18472/25/201512/29/2016gkn-61.1847.exe150kbLenovo ThinkCentre M78, HP P7-1031, IBM 8114WGZ, Panasonic CF-19FHLAXAM, NEC PC-GV296VZGL, Lenovo 7373W7L, Sony VGN-A195EP, Compaq VN469AA-UUZ CQ5235CH, AnabelleB Argyle V240, IBM IBM System x3500 M3 Server -[7380AC1, Toshiba Dynabook MX/33KRD, and more.
Oki Ml421n 4092411/10/201412/28/2016oki_ml421n-40924.exe67kbNEC PC-VK26MDZCE, Fujitsu Stylistic LT P-600, Acer Veriton5500G-B, Fujitsu MS-6318, HP KE530AA-ABD a6212de, HP P7-1010esm, Lenovo ThinkCentre M55e, Advent Monza, NEC PC-MY26AEZR4, Toshiba Dynabook Satellite AW2, HP BK373AA-AB1 HPE-176k, Acer ASPIRE1420P_MSFT, and more.
Oki Ml421n 7223410/13/201412/28/2016oki_ml421n-72234.exe208kbPackard Bell IMEDIA MC 8830, Sony VGC-JS94FS, ASUS ET2400IGTS-H61, ASUS BM2230, Lenovo ThinkPad T410s, NEC DT000024, HP NC214AA-UUW a6730sc, IBM 8307GU7, Lenovo 7373WG6, Lenovo 20AMS05C00, LG E300-A.C28BC1, and more.
Oki Ml421n 632222/5/201512/27/2016oki_ml421n-63222.exe59kbFujitsu FMVLRB7N24, Toshiba Dynabook TX/66JPK, IBM 818944U, MSI MS-9899, HP KC707AA-ABE, IBM System x3200 M3 -[7328Z6S, Panasonic CF-29LWQCZBM, and more.

Please Note: There are particular operating systems known to have problems with Oki Ml421n:
  • Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0)
  • Windows XP Professional x64 Edition
  • Windows RT
  • Windows XP Media Center Edition
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Oki Ml421n model.
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