autorun.inf Driver File Contents (HP_CLJ_CP4020_CP4520_Installer_AM.exe)

[autorun]
open=autorun.exe
icon=autorun.exe

;For versioned files use * at end as wildcard
[FILE_DETECT]
1=ntprint.dll
2=hotplug.dll
3=hdwwiz.cpl
4=devmgr.dll
5=newdev.dll
6=MSPRINT2.DLL
7=sysdm.cpl
8=devmgr32.dll
;9=hpfiui.exe
;10=hpfinst.exe
;11=browser.exe
;12=hpfsplsh.exe
;13=hpzcin*
;14=hpzglu*
;COUNT=14
COUNT=8

; root key in HKLM
[REG_DETECT]
1=ENUM\USB
2=ENUM\LPTENUM
ENUM\USB=Driver
ENUM\LPTENUM=ConfigFlags
COUNT=2

[DisableOnce]
1=Software\Hewlett-Packard\HP Color LaserJet CP4020/CP4520 Enterprise Series Printers\AutoRun
Software\Hewlett-Packard\HP Color LaserJet CP4020/CP4520 Enterprise Series Printers\AutoRun=DisableOnce
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How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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