12/3/2016 new driver models for direct download:552
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 12/3/2016 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: 12/1/2016
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: 11/9/2016

Direct Downloads: 709
Most Recent Download: 12/1/2016
Managed Downloads: 5149
Most Recent Download: 12/2/2016
Download Mirrors: 2
Current Delay: 28 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 594/709 Users

Success Reported By 63/594 Users

Driver Download Score64/100

Driver Installation Score61/100

Overall preformance Score71/100

Oki Ml421n 14 Thumbs Up14Thumbs
Oki Ml421n 2 Thumbs Down2Thumbs
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 4938/5149 Users

Success Reported By 4339/4938 Users

Driver Download Score78/100

Driver Installation Score86/100

Overall preformance Score82/100

Oki Ml421n 4104 Thumbs Up4104Thumbs
Oki Ml421n 396 Thumbs Down396Thumbs
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:
* Only registered users can upload a report.

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Please register, and get one.

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 12/3/2016, Computer: Sun Microsystems Munich

Outdated or Corrupted drivers:6/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 955X Processor to I/O Controller - 2774Corrupted By Oki Ml421n
Mice And Touchpads
SMART HID-compliant mouseUp To Date and Functioning
Microsoft Microsoft USB IntelliMouseUp To Date and Functioning
Usb Devices
VIA VIA USB 2 HubUp To Date and Functioning
Avision MFP LoaderUp To Date and Functioning
Sound Cards And Media Devices
Creative Sound Blaster X-Fi Go! ProOutdated
Network Cards
Intel(R) Centrino(R) Wireless-N 1030Up To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Intel SATA AHCI -vakio-ohjainUp To Date and Functioning
Toshiba Toshiba Secure Digital-HostcontrollerCorrupted By Oki Ml421n
Research In Motion BlackBerryUp To Date and Functioning
PACE Anti-Piracy USB iLok DriverCorrupted By Oki Ml421n
Creaform NEC OHCI Compliant IEEE 1394 Host ControllerUp To Date and Functioning
Cameras, Webcams And Scanners
Canon CanoScan LiDE 110Up To Date and Functioning
Video Cards
ATI RADEON X600 Series Secondary (Microsoft Corporation - WDDM)Outdated
Input Devices
Microsoft USB Human Interface DeviceUp To Date and Functioning
Port Devices
Microsoft Communications Port (COM1)Corrupted By Oki Ml421n
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 12/3/2016, Computer: Seneca Pro329919

Outdated or Corrupted drivers:4/18

Device/DriverStatusStatus DescriptionUpdated By Scanner
Advanced Micro Devices SM Bus ControllerUp To Date and Functioning
Mice And Touchpads
Microsoft Microsoft USB Basic Optical Mouse (Mouse and Keyboard Center)Up To Date and Functioning
Logitech HID mouseUp To Date and Functioning
eGalaxTouch USB Input DeviceOutdated
Usb Devices
Intel Xeon(R) processor E3-1200 v2/3rd Gen Core processor PCI Express Root Port - 0151Up To Date and Functioning
Sound Cards And Media Devices
DisplayLink DisplayLink USB Audio AdapterUp To Date and Functioning
Microsoft Microsoft LifeCam VX-1000Up To Date and Functioning
Network Cards
Intel(R) Centrino(R) Advanced-N 6205Outdated
Microsoft Keyboard Device FilterUp To Date and Functioning
Hard Disk Controller
Intel(R) ICH8/ICH8R Family LPC Interface Controller - 2810Up To Date and Functioning
Mad Catz Programmable Support for KeyboardUp To Date and Functioning
Broadcom HP integrated module with Bluetooth wireless technologyUp To Date and Functioning
Cameras, Webcams And Scanners
Canon CanoScan 3200/3200FUp To Date and Functioning
Video Cards
ATI RADEON X300 Series SecondaryUp To Date and Functioning
Input Devices
Sony Sony Firmware Extension Parser DeviceUp To Date and Functioning
Port Devices
Nokia Nokia Asha 311 USB Serial Port (COM5)Outdated
Sony Digital Flat Panel (1024x768)Corrupted By Oki Ml421n
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Oki Ml421n 8323411/25/201412/29/2015oki_ml421n-83234.exe92kbIBM 8123W8E, HP CQ1140JP, Sony VPCEH18FK, Toshiba SATELLITE PRO C850-19G, Acer Aspire5740, HP FK479AAR-ABA s3600t, HP HP Compaq 2710p, LG R490-K.ARA2BA3, AT TRILINE PROFI I48, Fujitsu FMVNFE50W, NEC PC-MJ29MLZ2JCSF, Sony VPCEB1E9R, HOUTER ORO-PC, and more.
Oki Ml421n 6243012/22/201412/29/2015oki_ml421n-62430.exe69kbPanasonic CF-18NHH71BM, Sony VGN-FE18GP, HP PS354AA-ABX, HP 168B, Dell Vostro 1450, Viglen VIG430P, IBM 23795VU, Sony VGN-CS60B_Q, Viglen D915GUX, Fujitsu FMVTE90YD, and more.
Oki Ml421n R1.100991/28/201512/29/2015oki_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, Panasonic CF-Y7BWTAJS, Packard Bell SPIRIT 3000, Supermicro X7DB8-X, BenQ Joybook P51, EMachines EME725, Sony VGN-NW305F, and more.
Oki Ml421n A232.19410/21/201412/29/2015oki_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, Toshiba Dynabook EX/33JK, Samsung RV420/RV520/RV720/E3530/S3530/E3420/E3520, HP HP ENVY TS 17 Notebook PC, HP HP Pavilion dv6000, EMachines EL1331-05, NEC PC-MJ29MLZ2JCSF, and more.
Oki Ml421n M704222/21/201512/30/2015oki_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, Sony VPCF13DGX, HP DX442AV, Dimotion PCDBS44H, IBM 8185LUZ, Fujitsu FMVA77HRG, Sony PCG-K215S, and more.
Oki Ml421n 61.1391.110/14/201412/28/2015x-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, HP P6563sc, Toshiba SATELLITE C850-16W, HP PS351AA-B1U, HP FR449AA-ABU s3621uk, NEC PC-VW970BS, NEC PC-VC5002D, and more.
Oki Ml421n M826472/5/201512/29/2015gstssrv-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, Lenovo 7373W7L, HP Rfrb h8-1100z, HP 600-1210ch, NEC PC-MJ29MLZ2JCSF, Lenovo ThinkCentre M72z, Toshiba Satellite Pro 6100, and more.
Oki Ml421n 22272.18/23/201412/30/2015oki_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, HP HPE-420f, Sony VPCCB2M0E, HP BK373AA-AB1 HPE-176k, IBM 2724NM0, AnabelleB Argyle V240, Sony PCG-FXA35/D, and more.
Oki Ml421n 2.11.1332.12/5/201512/29/2015fvkmcup-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, HP HP Compaq n6120, ASUS 1001PX, Sony VGN-NS230TE, WIPRO WSG37455V-0397, Toshiba SATELLITE L850-A902, Lenovo 19514ZU, and more.
Oki Ml421n 61.18472/25/201512/29/2015gkn-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, Seneca Pro64601, Gigabyte G41MT-D3V, Sony VPCF11A4E, Sony VGN-Z51MG_B, HP GX609AAR-ABA m9160f, Sony VGN-AW15G_H, and more.
Oki Ml421n 4092411/10/201412/28/2015oki_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, HP P6-2018es, Toshiba NB100/HF, Acer A0A150, Lenovo 20188, Lenovo ThinkPad X130e, Compaq PX697AA-ABZ SR1419IT IT520, and more.
Oki Ml421n 7223410/13/201412/28/2015oki_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, Seneca U53131, Sony VGN-B90PSY, Compaq DC477A-ABA S3100NX NA111, Seneca Pro38611, Fujitsu AMILO Li 2735, IBM 9210M43, and more.
Oki Ml421n 632222/5/201512/27/2015oki_ml421n-63222.exe59kbFujitsu FMVLRB7N24, Toshiba Dynabook TX/66JPK, IBM 818944U, MSI MS-9899, HP KC707AA-ABE, IBM System x3200 M3 -[7328Z6S, Panasonic CF-29LWQCZBM, Fujitsu FMVXN6EG2Z, LG P2-TP2007, HP HP Compaq 6715b, QUANMAX WB1, Fujitsu LifeBook A6030, Toshiba S2400-103, and more.
Oki Ml421n 4232.199/9/201412/29/2015-4232.19.exe156kbToshiba Satellite A100-626, Fujitsu PRIMERGY TX150, Panasonic CF-19LCRDX6B, LG R560-CR20K, Fujitsu FMVWMS157T, HP FK785AA-A2L s3620f, Intel S3420GPV, HP HP ProBook 4520s, Sony VPCX115LW, Gateway PROFILE3, Fujitsu FMVDC2A041, Gigabyte M1022E, NEC PC-LL350DD1KS, HP VN310AA-UUG HPE-020be, MSI MS-16GN, Compaq KJ172AA-AB4 SR5272CF, Seneca PRO0542, HP KN476AA-ACB, and more.
Oki Ml421n 30471.110/22/201412/28/2015-30471.1.exe104kbPackard Bell ENLS44HR, NEC PC-LL750GD1K, HP PY198AV-ABA m7360y, Sony SVE15128CGS, Sony VPCCW18FG, HP HP nx9010, Sony VPCCB46EC, Fujitsu FMVC18WA, OEGStone DQ67OW, HP KB010AA-AKB a6330.cs, Lenovo FL6AXXX, Gigabyte G41MT-D3PT, Gateway IMV, HP HP Compaq nc8230, HP S5-1445b, HP Pavilion ze5400, 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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