Question about HP DeskJet 3745 Printer

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Hi. my hp deskjet 3740 keeps blinking and wont do anything help

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  • HP Master
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Http://www.retrevo.com/support/HP-3745-Printers-manual/id/261bh144/t/2/
Step one: Uninstall the software for HP Deskjet 3745

Depending on whether the HP software CD is available, use one of these sets of steps to uninstall the HP software.
If the CD is available:

1. Insert the HP Deskjet 3745 software CD into the computer CD-ROM drive.
2. If the Welcome to HP! screen appears, quit the screen.
3. Click Start , and then click Run . The Run window appears.
4. Click Browse , click the name of the CD-ROM drive that holds the software CD, click the Util folder, and then click the
CCC folder.
5. Depending on the operating system installed on the computer, follow one of these instructions.
* If the operating system installed on the computer is a 32-bit operating system, which includes most home computer
operating systems, double-click Uninstall_L3.bat , and then click OK .
* If the operating system installed on the computer is a 64-bit operating system, double-click Uninstall_L3_64.bat ,
and then click OK .
6. Press the Enter key to start the uninstall.

If the hp deskjet 3745 CD is not available:

1. Depending on whether the software has already been downloaded from the Web site, use one of these sets of steps to
uninstall the HP software.

1. If the software has already been downloaded from the Web site, locate the downloaded file, which is often on the
computer desktop or in the My Documents folder.

2. If the software has not been downloaded from the HP Web site, follow these instructions to download the software.

1. Click here (in English) to go to the Software and Driver Download page on the HP Web site.
2. Type the product model name in the text box, and then click the gray arrow button.
3. Click the appropriate product model name in the list that appears on the computer.
4.
Click the appropriate operating system in the list that appears on the computer.
5.

In the Driver section, click HP Full Feature Software/Driver . Follow the on-screen instructions to download the software.
2. Double-click on the icon for the downloaded file.
3. When the installation screen launches, click Exit to quit the screen.
4. Click Start , click Search , click All Files and Folders , and then click More advanced options .
5. Select the Search hidden files and folders check box.
6. Type Uninstall_L3 in the search box, and then click Search .
7. Click Uninstall_L3 to uninstall the software.

Step two: Run the Disk Cleanup utility

1. Click Start , click All Programs , click Accessories , click System Tools , and then click Disk Cleanup .
2. After the Disk Cleanup utility analyzes the hard drive, a report with a list of options appears on the computer. Click
the appropriate check boxes to remove unnecessary files from the computer, and then click OK .
3. Click Yes on the confirmation screen that appears on the computer.

Step three: Quit background programs
If the computer is running Windows 2000, proceed to Step four: Reinstall the software.
If the computer is running Windows XP, follow these steps to turn off the Terminate and Stay Resident programs and other
background programs.

1. Click Start , and then click Run . The Run dialog box appears.
2. Type msconfig in the text field, and then click OK . The System Configuration Utility dialog box appears.
3. Click the Startup tab.
4. Click Disable All to disable any program that starts when the computer is turned on.
5. Click the Services tab.
6. Select the Hide All Microsoft Services check box.
7. Click Disable All , click OK , and then click Restart to restart the computer and apply the changes.
8. After the computer reboots, a System Configuration Utility message appears on the computer. Select the Do not show this
message again check box, and then click OK .

Step four: Reinstall the software
Depending on whether the software CD is available, follow one set of these steps to reinstall the software.
If the CD is available:

1. If the software CD is still in the computer CD-ROM drive, remove the CD, close the CD-ROM drive, open the CD-ROM drive
again, insert the CD into the CD-ROM drive, and then close the CD-ROM drive again. The software installation starts.
2. If the software installation does not start when the CD is inserted into the CD-ROM drive, click Start , and then click
Run .
3. Type D:\setup.exe in the text field, where D is the letter of the CD-ROM drive.
4. Follow the on-screen instructions to complete the software installation.

If the CD is not available:

1. Double-click the icon for the software file downloaded in Step one: Uninstall the software.
2. When the installation screen launches, click Install to install the software.

If the issue continues, proceed to the next solution.
Solution two: Use the MSCONFIG utility to enable the startup software

1. Click Start , and then click Run . The Run dialog box appears.
2. Type msconfig in the text field, and then click OK . The System Configuration Utility dialog box appears.
3. Click the Startup tab.
4. Select the check box next to programs that should run when the computer is turned on. If a program should not run when
the computer is turned on, leave the check box clear.
CAUTION: Do not disable any Microsoft services.
If no changes should be made to startup programs or services, click the General tab, and then select the Normal Startup
check box.
5. Click Apply , click Close , and then click Restart to apply the changes and restart the computer.

Solution three: Check the connectivity
NOTE: Do not quit the installation screen when it indicates that the product should be connected to the computer.
Step one: Check the power

1. Make sure that the product power cord is plugged directly into a wall outlet.
2. Make sure that the LED on the power cord is on.
3. Check the product to make sure that the On button is lit.
4. If the product has a control panel display, make sure that text or graphics appear on the control panel display.
5. Make sure that any marketing or protective stickers are removed from the product control panel display.

Step two: Check for error messages
If an error message or assert code appears on the product control panel display, go to the HP Web site, type the error
message into the Search text box, click the gray arrow button, and then follow the on-screen troubleshooting instructions.
Step three: Check the USB connection

1. Make sure that the correct end of the USB cable is plugged into the USB port on the back of the product.
Figure 1: End of USB cable to plug into product
Figure 2: Correct product USB port
1 - USB cable plugged into correct port on product
Figure 3: Correct and incorrect ports on product
1 - Correct port (USB port)
2 - Incorrect port (network port)
2. Make sure that the correct end of the USB cable is plugged into the correct USB port on the computer.
Figure 4: End of USB cable to plug into computer
Figure 5: USB cable correctly plugged into computer
3. If the USB cable is connected to the computer, unplug the USB cable, and then reconnect it to a different USB port on
the computer. If the USB cable is connected to a USB port on the front of the computer, try connecting it to a USB port on
the back of the computer.
If the Plug and Play installation resumes after the USB cable has been plugged into another port on the computer, the issue
is resolved and there is no need to continue troubleshooting.
4. If the USB cable is connected to any device like a USB hub, laptop docking station, USB extension cable, or dongle,
disconnect the USB cable from the device, and then connect the USB cable directly to the computer.
If the Plug and Play installation resumes after the USB cable has been plugged directly into the computer, the issue is
resolved and there is no need to continue troubleshooting.
5. HP supports USB cables less than 5 m (16 feet, 5 inches) long. If the USB cable is longer than 5 m (16 feet, 5 inches),
replace the USB cable with a shorter one.
6. If any other USB devices are connected to the computer, remove each USB device except the keyboard and mouse, and then
reconnect the product to the computer.
If the Plug and Play installation resumes after other USB devices are removed, the issue is resolved. In this case, HP
recommends installing a USB-powered hub to connect multiple USB devices.
7. Replace the USB cable.
NOTE: Standard USB cables can be purchased from any reputable dealer or from the HP Web site.


Posted on Oct 06, 2010

  • electronic & computer repair&  servicre

    If the issue continues, proceed with the next solution.
    Solution four: Check the USB chipset
    Certain USB chipsets are known to have issues with HP products that can cause communication failures. These known issues are
    not manufacturing defects and cause problems with only certain products.
    Follow these steps to determine which USB chipset is installed on the computer.

    1. Click Start , click Control Panel , and then double-click System . The System Properties screen appears.
    2. Click the Hardware tab, and then click the Device Manager button. The Device Manager screen opens.
    3. Click the plus sign ( ) next to Universal Serial Bus controllers . The USB chipset appears on the list of USB
    controllers.

    If the USB chipset installed on the computer appears on this list, HP recommends installing a USB-powered hub to resolve the
    issue.

    *
    SIS 7001 USB host controller
    *
    ALI chipsets
    *
    NEC universal host controllers
    *
    Intel 82801 AA
    *
    Intel 82801 BA/BAM

    NOTE: This is not a comprehensive list. If the all the steps in each solution provided have been followed and the issue
    continues, install a USB-powered hub.
    If the issue continues, proceed with the next solution.
    Solution five: Service the product
    If you have completed all the steps listed above and are still experiencing a problem, service the product.
    Cause
    This issue can be caused by any of the following:

    1. Incorrectly connected USB cable
    2. Software installation error
    3. Too little power supplied to the USB ports on the computer
    4. Incorrect USB chipset
    5. Damaged USB cable
    6. Damaged USB ports on the computer
    7. Too little power supplied to the product

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