2/25/2017 new driver models for direct download:591
Oki B4500 5 stars review"The best driver WIKI ever! I wil keep coming back for sure."Eric Smalter, Boston, MA
Supported languages for Oki B4500
Certifications for Oki B4500
5 stars for Oki B4500 "WOW! Finally my PC got up to speed!" Melany Kim 7/18/2015

Checking...for 2/25/2017 Updates

All drivers on are updated on daily basis.

However, a new version of Oki B4500 might have been uploaded since our last site update.

Oki B4500 Driver Download

Windows Compatibility for Oki B4500 driver

Oki B4500 Driver Details:

Oki B4500 File Name:

Oki B4500 Driver Version: 74241w

Oki B4500 ZIP Size: 139.kb

Manufacturer: Oki

Oki B4500 was fully scanned at: 2/21/2017
Scan Status: driver download scanOK

Oki B4500 special revision for: Windows XP Tablet PC Edition 64 bit, Windows Vista Enterprise (Microsoft Windows NT 6.0.6000.0) 64 bit, Windows 8 Pro 32 bit, Windows Vista Business 32 bit, Windows Vista Starter 32 bit, Windows RT 32 bit

Oki B4500 Download Stats:

Driver Uploaded: 2/7/2017

Direct Downloads: 436
Most Recent Download: 2/24/2017
Managed Downloads: 3323
Most Recent Download: 2/23/2017
Download Mirrors: 1
Current Delay: 26 Seconds
Driver License: GPL

Direct Download Success Stats:

Reports Issued By 391/436 Users

Success Reported By 71/391 Users

Driver Download Score64/100

Driver Installation Score68/100

Overall preformance Score60/100

Oki B4500 17 Thumbs Up17Thumbs
Oki B4500 3 Thumbs Down3Thumbs
Oki B4500 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 2992/3323 Users

Success Reported By 2594/2992 Users

Driver Download Score77/100

Driver Installation Score86/100

Overall preformance Score81/100

Oki B4500 2575 Thumbs Up2575Thumbs
Oki B4500 191 Thumbs Down191Thumbs
Oki B4500 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 B4500 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Automatically scans your PC for the specific required version of Oki B4500 + all other outdated drivers, and installs them all at once.

Please help us maintain a helpfull driver collection.
After downloading and installing Oki B4500, or the driver installation manager, take a few minutes to send us a report:
* Only registered users can upload a report.

Don’t have a password?
Please register, and get one.

Oki B4500 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 B4500 disfunctions.

Scan performed on 2/25/2017, Computer: NEC PC-MY20RBZ74

Outdated or Corrupted drivers:11/23

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) ICH8M LPC Interface Controller - 2815Corrupted By Oki B4500
Mice And Touchpads
Genius HID-compliant mouseUp To Date and Functioning
Razer USA HID mouseCorrupted By Oki B4500
Usb Devices
X10 Wireless X10 USB ActiveHome (ACPI-compliant)Corrupted By Oki B4500
Hewlett-Packard HP Photosmart C4200 (DOT4USB)Corrupted By Oki B4500
Sound Cards And Media Devices
Toshiba TOSHIBA USB ISDB-T TV Tuner(x64)Outdated
ASUSTek ASUSTeK TV7134 BDA Video CaptureUp To Date and Functioning
YUAN High-Tech Development Multimedia Video ControllerOutdated
Network Cards
Realtek Realtek RTL8168B/8111B-Familie-PCI-E-Gigabit-Ethernet-NIC (NDIS 6.20)Up To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
USB Compliance USB-massamuistilaiteUp To Date and Functioning
Realtek Semiconduct Realtek PCIE CardReaderUp To Date and Functioning
Validity Sensors Validity Sensors (WBF) (PID=0018)Corrupted By Oki B4500
Texas Instruments Texas Instruments PCI7420 Integrated FlashMedia ControllerUp To Date and Functioning
Lucent Lucent Win ModemCorrupted By Oki B4500
Toshiba Toshiba Secure Digital-HostcontrollerUp To Date and Functioning
NEC Generic CardBus ControllerCorrupted By Oki B4500
Cameras, Webcams And Scanners
Canon Canon MP495 serUp To Date and Functioning
Video Cards
Intel(R) HD Graphics 4000Up To Date and Functioning
Input Devices
Wacom Wacom TabletUp To Date and Functioning
Port Devices
Microsoft Communications Port (COM1)Corrupted By Oki B4500
Sony Digital Flat Panel (1024x768)Outdated
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning

Scan performed on 2/25/2017, Computer: LG R470-KRW4K

Outdated or Corrupted drivers:4/19

Device/DriverStatusStatus DescriptionUpdated By Scanner
Intel(R) 8 Series/C220 Series PCI Express Root Port #4 - 8C16Up To Date and Functioning
Mice And Touchpads
Synaptics ThinkPad UltraNav Pointing DeviceUp To Date and Functioning
ELAN ELAN PS/2 Port Smart-PadUp To Date and Functioning
Logicool Logitech Cordless Mouse (USB)Corrupted By Oki B4500
Usb Devices
Logitech Logitech Mic (QuickCam S7500)Up To Date and Functioning
Sound Cards And Media Devices
Broadcom Bluetooth Stereo AudioUp To Date and Functioning
Network Cards
Realtek Realtek RTL8139/810x Family Fast Ethernet NICUp To Date and Functioning
Microsoft HID KeyboardUp To Date and Functioning
Hard Disk Controller
Ricoh SDA Standard Compliant SD Host ControllerUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 5Up To Date and Functioning
Intel Intel(r) AIM External TV Encoder Driver 1Corrupted By Oki B4500
Western Digital WD SES Device USB DeviceUp To Date and Functioning
Intel Intel(r) AIM External Flat Panel Driver 5Up To Date and Functioning
Cameras, Webcams And Scanners
Canon Canon MP560 serUp To Date and Functioning
Video Cards
ATI RADEON X300 SeriesCorrupted By Oki B4500
Input Devices
Lenovo Lenovo 800dpi ScrollPoint Optical (HID)Up To Date and Functioning
Port Devices
Huawei Vodafone Mobile Broadband Secondary Port Modem (Huawei) (COM28)Corrupted By Oki B4500
Sony Digital Flat Panel (1024x768)Up To Date and Functioning
Mobile Phones And Portable Devices
Acer NOKIAUp To Date and Functioning
Driver ModelOriginal Upload DateLast ModificationDriver FileFile SizeCompatible Computer ModelsAvailabilty To Instalation Manager
Oki B4500 L391.11.111/15/201412/29/2016oki_b4500-l391.11.1.exe204kbKOBIAN PI845GVM, Sony SVF1521R2EW, HP EC619AA-ABY, Compaq DM174A-ABA S5300NX NA311, Packard Bell EasyNote_MX37-U-005, EMachines Emachine E725, HP KJ416AA-AB4 m9298d, Packard Bell EasyNote LM83, Sony VGN-UX50, IBM 8142LU2, HP HP Pavilion dv 9500 Notebook PC, Sony VGN-NW120J, HP HP compaq nx4820, and more.
Oki B4500 NC-V3-772G-747A1275MAKK, IBM NetVista personal computer, HP HP EliteBook 2730p, SAMSUN 400B4A/400B5A/200B4A/200B5A, Dell Vostro 3555, Sony VPCW12S1R, HP WL327AA-ABD p6328de, BenQ Joybook S72, NEC PC-VL5907D, Fujitsu FMVLX70SDG, Sony VGN-UX90S, Zenith Z-Book, and more.
Oki B4500 2326610/19/201412/28/2016oki_b4500-23266.exe141kbHCL Infosystems IGL 1701CT, HP PN135AA-ABU, Sony VPCW12M1E, Gigabyte M1028E, Sony VGN-C140FP, IBM 819437U, Medion E3211, Packard Bell IMEDIA MCE 8010, Panasonic CF-W4GW9AXP, IBM ThinkPad G40, NEC PC-LL750WG1JB, HP HPE-400es, Medion P6612, Panasonic CF47, HP P7-1102, I.C.S Olivetti MK510, Itautec LX202, and more.
Oki B4500 294611/9/201412/27/2016oki_b4500-2946.exe55kbHP HP Compaq n6120, HP VG292AA-ABD p6202de, HP GX610AAR-ABA m9180f, MSW GmbH & Co. KG Intel DP55WB, LIGHTEDGE 965GFEKR, HP HDX9300, Dell PowerEdge R220, Sony VPCSE23FX, Sony VGN-CR356_L, Notebook RIM2050, ASUS BP6260, HP Pavilion dv2854ca, IBM 23795VU, HP G5115ch-m, Fujitsu FMVNB75ST, and more.
Oki B4500 1.10462.110/17/201412/30/2016oki_b4500-1.10462.1.exe153kbASUS X200MA, AT ALZA GAMEBOX, Compaq FR604AA-ABF SR5529FR, Dimotion PCDO5U1, Panasonic CF-18KDHNBVA, Lenovo ThinkCentre A62, Panasonic CF-19LCRDX6B, Sony VPCF1290X, Panasonic CF-C1BLHBZ1M, Compaq KY718AA-UUB CQ3058HK, HP KQ519AA-ABU, Viglen D915GUX, ASUS N56VM, HP AY024AA-ABA s5360f, and more.
Oki B4500 638022/7/201512/30/2016oki_b4500-63802.exe108kbOmni OTC-H3222D00, HP 3600, Epson ST160EEMR2, VMware VMware7,1, DK Digital EXentia, Acer Acer Project, Wortmann U14M, Acer Aspire 5672, Sony VPCL229FJ, Toshiba Dynabook EX1/524CDE, HP HP Compaq dc7100 SFF, Sony VGN-SZ7RMN_B, Sony SVD132100C, Systemax Charity PC 2010, and more.
Oki B4500 21.12742/6/201512/29/2016oki_b4500-21.1274.exe122kbHP HP Pavilion dv9700, LG LW70-JJKG, Toshiba Dynabook R634/E25K, Acer Aspire M5800, Sony VGN-TZ3RMN_N, HP RA964AA-AB9, HP RK570AAR-ABA m7760, HP HP Pavilion dv7-6158ca, HP KJ325AA-ABG a6440a, Toshiba Dynabook EX/33JK, HP HPE-420f, Seneca Pro46956, Fujitsu ESPRIMO Mobile X9515, HP HP Compaq 6715b, Toshiba SATELLITE PRO C50-A-1M3, LG MB500-S.F7IBPL, IBM 8307KSU, and more.
Oki B4500 A33721.112/15/201412/29/2016oki_b4500-a33721.1.exe70kbSeneca PRO02421, NEC PC-VC5002D, Lenovo ThinkCentre M90, Dell OptiPlex 9020, Lenovo ThinkPad X61, Toshiba Dynabook Qosmio G10/390LS, Lenovo 9439Y5B, Viglen D915GUX, Compaq RF785AA-ABU SR2029 NA100, NEC VERSAL2200 RND61058988, Panasonic CF-S9LWGJDS, Seneca T69968, IBM 808735M, LG R580-G.BP21P1, Fujitsu M6VCG, HP GB323AA-B1U, Toshiba Dynabook R634/L, Lenovo 20AY001DMD, and more.
Oki B4500 1.1377411/14/201412/29/2016oki_b4500-1.13774.exe29kbLenovo ThinkPad Edge E130, Fujitsu FMVNA1S3E, HASEE QJC4, HP VN470AA-UUZ m9837ch, Packard Bell Easynote sb86, Sony PCG-GRT896SP, HP HP Compaq nx7300, ASUS RS162-E4/RX4, Compaq GC662AA-ABA SR5113WM, HP RQ407AAR-ABA a1748x, IBM ThinkPad T41, HP HP Compaq dc7100 CMT, Toshiba Satellite C850-F0044, Phoenix M671MX+968, HP HPE-420f, Seneca V68357, ECS PT880PRO-A, and more.
Oki B4500 8278412/2/201412/28/2016ooa-82784.exe195kbASUS X71S, Toshiba SATELLITE L850-153, HP HP EliteBook 8530w, Packard Bell ISTART 1379, Compaq Presario 7110US 470016-083, Dell Vostro 3555, Toshiba Dynabook SS M41 200E/3W, Dell S5400SF, LG MB500-S.F7IBPL, Toshiba TECRA R10, and more.
Oki B4500 1.1301.1211/14/201412/30/2016oki_b4500-1.1301.12.exe101kbMedion X9613, IBM 2374SU9, Toshiba Satellite A100-386, IBM System x3200 M3 -[7328AC1, Toshiba Satellite L850-B750, HP G5144fr-m, Acer TravelMate 8481TG, LG S1-P655R1, HP 810-019eb, Lenovo ThinkPad Tablet 2, LG R580-UP75K, HP KN472AA-ACB, Gigabyte EP41-US3L, HP HP Compaq 4000 Pro SFF PC, Compaq DD345A-ABS 6620 SV110, Fujitsu FMVCE70L9, HP 610-1130uk, Sony SVT1113AJE, and more.
Oki B4500 381.1910/26/201412/29/2016oki_b4500-381.19.exe119kbSony VGN-UX90S, Zenith Z-Book, Lenovo 20AY001DMD, Panasonic CF47, Seneca Pro38611, HP HP 655 Not3book PC, Toshiba Dynabook Satellite T772/W5TG, IBM 2673CXG, IBM 262842U, NEC EASYNOTE PB37R00002, IBM 2647LG7, HP HP ProBook 4530s, Lenovo ThinkPad T61, Zenith Z-Book, Panasonic CF-30FTSAZN2, Sony VPCCA2Z0E, Sony VPCCW18FG, Toshiba NB 200-134, Compaq GT701AA-ACJ SR5250IL, and more.
Oki B4500 822.12.131/1/201512/28/2016txdbe-822.12.13.exe46kbBiostar TA75MH2, NEC PC-MK19ELZ2UFJG, Dell Studio 1557, HP DT301A-ABM T450M, WIPRO WSG59355W7S-0014, Gateway GT5226j, Gigabyte 946GM-S2, Sony SVE14A35CVPI, HP VN465AA-UUW HPE-010sc, WIPRO WNB7PBM5100K-0004, IBM 2672CBJ, Fujitsu FMVK92B113, Panasonic CF-52GCR42AG, Dell Inspiron 3646, IBM System x3200 M3 -[732842G, HP AX351AW#ABA, Pegatron C17B, HP 700-150ef, and more.
Oki B4500 1.136442/18/201512/28/2016oki_b4500-1.13644.exe218kbHP P6563sc, Sony VGN-NS230TE, Toshiba SATELLITE C850-16W, Packard Bell ISTART C5410 AIO, HP DA322A-ABZ 434, Fujitsu PRIMERGY RX350 S7, HP 23-b030ef, HP HP Compaq nx7400, HP VT626AA-AB1 HPE-170k, WIPRO WIV37555-1436, and more.
Oki B4500 1.11.1921.112/10/201412/27/2016oki_b4500-1.11.1921.1.exe209kbHP CQ2803ESm, Gigabyte X58A-OC, Gateway 564GE, Compaq KY775AA-AB1 CQ3010KL, Panasonic CF-30KBPAX2M, Packard Bell Imedia I5800, Fujitsu FMVD7BF010, Fujitsu FMVNP2PL, HP P6540d, Gateway GT5082B, MCJ W820Di1, Seneca Pro38611, HP Presario C300, NEC PC-MY30DEZCA, HP FJ422AA-UUW, WIPRO WIV37455-1080, IBM 81387HG, and more.
Oki B4500 2.132989/25/201412/27/2016oki_b4500-2.13298.exe71kbAcer Veriton5500G-B, MSI MS-9818, Packard Bell IMEDIA D7010 NL, Lenovo ThinkPad Edge E431, Sony VPCEH1S1E, Supermicro X7DB8-X, LG R580-G.BP21P1, Lenovo 73952GL, Acer Aspire 5940G, HP PX568AA-ABY, NEC PC-LS150LS1KSG, ARLT Computer Produkte Mr. Whisper X R3, Sony SVT13136CWS, HP Pavilion dv6000, HP Presario V6000, LG R490-K.ARCWE1, HP HP Compaq nc2400, and more.
Oki B4500 R2.1048010/26/201412/30/2016oki_b4500-r2.10480.exe78kbHP P6680pt, Fujitsu FMVLX50LX, Toshiba EQUIUM S6200, IBM 2668WGY, Sony VPCF1390S, Toshiba SATELLITE C50-A-14V, IBM 8183Z2C, NEC PC-LL550HG1F, WINCOR NIXDORF EPC A4, Toshiba SATELLITE C855-1TE, Sony VGN-SZ38GP, LG R470-KRW4K, and more.
Oki B4500 731.141.110/10/201412/28/2016fqubygcg-731.141.1.exe174kbHP KZ241AA-AR6 p6020l, Dell PowerEdge R905, Fujitsu LifeBook N6470, HP Pavilion zx5000, Apple IMac8,1, Panasonic CF-18DHB32GD, ASUS C90S, Sony VGNFW490JFT, HCL Infosystems APM88-GS, Toshiba SATELLITE S50D-A-10H, HP HP PAVILION DV9000 KP950EA#ABF, LG P1-5005P, HP RJ788AA-ABA a1613w, Lenovo 3000 J200 Desktop, AnabelleB Argyle M300, IBM IBM System x3400 M3 Server -[7379Z7X, NEC EASYNOTE PB47S00286, and more.
Oki B4500 826322/27/201512/28/2016oki_b4500-82632.exe157kbSony VPCW12S1R, Toshiba SATELLITE PRO T130, Sony SVE14A35CVPI, Gigabyte EG45M-UD2H, Toshiba Dynabook T451/58EBS, HCL Infosystems IGL 1701CT, IBM Eserver xSeries 235 -[8671KAX, NEC PC-VK24LFW23RZH, LG R470-KRW5K, HP P9921A-ABA 743c, Acer Acer 8935G, Lenovo 20AY001DMD, LG R580-UAAD6BT, and more.
Oki B4500 7243411/29/201412/29/2016oki_b4500-72434.exe67kbPackard Bell EasyNote_GN45, HP Compaq Presario C700 KQ185EA#ABE, Panasonic CF-S10DVCDP, Sony SVS13A17GBB, Sony VPCL22AJ, HP HP ProBook 6560b, MSI Cyberpower Compute, Acer Acer 8935G, HP Pavilion dv4000, HP RX865AA-ABU, and more.
Oki B4500 21.183611/8/201412/30/2016-21.1836.exe172kbLenovo ThinkCentre M55e, IBM 2669W58, Lenovo ThinkCentre A61, Lenovo ThinkPad X121e, IBM 26486G1, Gateway DX4870-UB2C, Acer Aspire 9110, Lenovo ThinkServer TS430, Fujitsu FMVA42CW2, NEC NEC POWERMATE S2100-006, Sony VPCF13D4E, Packard Bell EasyNote_F0946-U-020, Toshiba SATELLITE,A665, Compaq PC139A-ABA SR1115CL NA431, HP PS135AA-ABY, Seneca Pro70198, LG R480-K.APC2BA3, Toshiba SATELLITE L850D-130, Fujitsu ESPRIMO E5731, and more.
Oki B4500 438761/23/201512/28/2016oki_b4500-43876.exe86kbNEC PC-LL750WG1JB, HP HPE-400es, Medion P6612, Panasonic CF47, HP P7-1102, I.C.S Olivetti MK510, Itautec LX202, Sony VGN-SZ77N_C, ABook Z410, Compaq P2800N P170X520WC25EC, ASUS K52JT, HP NC896AAR-ABA a6863w, HP DW225A-ABE, Sony VGN-SZ38TP_C, Anhoch Goliath XD605, Sony PCG-K215S, and more.
Oki B4500 332.11.173/9/201512/27/2016oki_b4500-332.11.17.exe138kbLG R1-CUP1E1, HP RT586AA-ABU, Compaq RX917AA-ACJ SR1929IL FD440, Panasonic CF-W8GWEZFN2, NEC PC-VT1000J6FD, Lenovo ThinkPad R61, HP G5144fr-m, Panasonic CF-Y7BWTAJS, HP HP PRO 6200 MT PC, HP RX881AA-ABA m8000, Dell Inspiron N5040, IBM 1843A19, Dell Precision T5610, HP 600-1390, SAMSUN NC10, and more.
Oki B4500 41.122.1811/27/201412/29/2016oki_b4500-41.122.18.exe126kbIBM 18669MG, HP 600-1210ch, HP Compaq CQ62, NEC MS-7168, NEC PC-MY28FEZR6, Fujitsu FMVXD4VR2Z, HP PS294AA-ABZ, Lenovo 9636/73G, IBM System x3200 M3 -[732842G, HP KZ848AAR-ABA a6510t, Notebook MIM2280, Acer ASPIRE1420P_MSFT, Sony VGN-FJ68SP_W, HP KE485AA-UUZ, NEC PC-MY30AEZ5D6T6, Gigabyte M1022E, Sony VGN-FW56E, and more.
Oki B4500 2.122.1202/11/201512/27/2016oki_b4500-2.122.120.exe207kbDell PowerVault NX3200, Toshiba Satellite Pro C650D, HP PS282AA-ABZ, HP RR518AA-ABH S7730, HP Compaq nx9110, HP AZ205AAR-ABA p6300z, WIPRO WSG48355W7-0023, IBM 2724JU1, IBM 25296AG, Sony VGX-XL2A, Epson Endeavor MT7500, Packard Bell IPower X9274, Fujitsu FMVNF40UBJ, NEC PC-MY30AEZ5D6T6, HP Pavilion zd8000, HP HPE-367c, and more.
Oki B4500 B1.1432/26/201512/29/2016oki_b4500-b1.143.exe53kbFujitsu PRIMERGY RX350 S7, Lenovo ThinkPad T430u, HP S5680t, Sony VGC-JS92JS, HP PS347AA-B1U, NEC MS-6303, ASUS U6Vc, LG P1-P7200M, VIA KM400/A-823x, Supermicro X7DBP, Sony VPCEJ3D1E, PCWARE IPMQ45, Supermicro X9DRW-7/iTPF, LG R200-R.CP55R, HP RY869AA-ABA m8067c, Sony VGN-C140FP, QUANMAX WB1, and more.
Oki B4500 4302.1811/16/201412/30/2016bmbqoial-4302.18.exe212kbPanasonic CF-SX3TETBR, Gateway M-7332H, IBM 1847Y1Y, Dell Inspiron 20 Model 3048, NEC PC-MJ29MLZ2JCSF, ECS 331, Positivo POS, IBM 2374F14, Sony SVT1113AJE, Gateway 510 sku, HP P6747ch-m, HP BK373AA-AB1 HPE-176k, NEC PC-VL5707D1Y, IBM 1831W1U, IBM 8303MJ8, Toshiba SATELLITE C855-1ME, HP FT959AA-ABG a6720a, and more.
Oki B4500 G629049/1/201412/29/2016oki_b4500-g62904.exe147kbHP HP Compaq nc2400, HP KT536AA-ABJ IQ507jp, HP GU519AA-UUW, HP BT434AAR-ABA s5603w, HP HP Compaq nc6120, HP EJ254AA-ABF w5269.f, QUANMAX WB1, HP G5261de, HP KJ381AA-A2L m9260f, NEC PC-MJ30XRZJDU83, Toshiba Satellite L500D, Toshiba Satellite C660-196, IBM 8184RUM, IBM 8215WBM, HP HP d230 MT, HP VN310AA-UUG HPE-020be, and more.

Please Note: There are particular operating systems known to have problems with Oki B4500:
  • Windows XP Professional
  • Windows 8 Enterprise
  • Windows XP Tablet PC Edition
  • Windows 7 Ultimate
  • Windows XP Media Center Edition 2004
If you encounter problems with the direct download for these operating systems, please consult the driver download manager for the specific Oki B4500 model.
Laptop Oki B4500Tablet Oki B4500Download Oki B4500Upgrade Oki B4500Update Oki B45002017 Oki B4500Free Oki B4500Data Oki B4500Info Oki B4500Help Oki B4500Guide Oki B4500Comments Oki B4500Windows 10 Oki B4500Vista Oki B4500Windows 7 Oki B4500Install Oki B4500