Question about HP OfficeJet 7310 All-In-One InkJet Printer
My machine is out of warranty. From the beginning it has had issues with scanning but now even printing results in a "scanner failure." The cost to have HP fix it just doesn't seem like a smart investment. I was hoping someone could tell me what the part is and whether a savvy tech person could swap it out. It apears to be a hardware issue but no idea how to fix it. From the boards,this seems to be a popular issue with this product.
If you get a "Scanner failure" message then the problem is the motor itself. Notice how the motor works fine when the scanner is moving slowly, like copies or faxing with the original laid on the glass. HOWEVER, the scanner failure comes up when you use the automatic document feeder on top. Why? Because the scanner assembly has to move to the other side of the printer at high speed to get into position, and it's the high speed movement that triggers the error on the printer. The motor is expensive, part number Q3450-60003. Many other models use the same motor, maybe you could find one cheap somewhere and swap the motor?
Posted on Apr 06, 2009
I have fixed this. There are 2 Scanner Failure problems.
The first one is a defective Scanner motor. Usually the printer will get to a ready status. Then when trying to fax or copy from the ADF, you get Scanner Failure. If the motor is bad it usually messes up when the scan head has to shoot to the other side of the glass for an ADF scan. Solution is to replaced the scanner motor.
Second and more common is the scan head cannot find it's home position. Usually the printer will error out with a Scanner failure while initializing before you get to the ready screen. You can hear the scan head hit the right side once or twice then error. On the UNDERSIDE of the glass to the right is a white strip. This is where the scan head sits when resting. This is also the home position. An engineer stated that the black sticky strip which holds the white strip to the glass will shrink over time due to excessive heat. This causes excess light to refract through the glass thus giving a FALSE home position. The scanner hits the wall thinking the white strip is more to the right. To fix this you must remove the glass, flip it over, and between the white strip and long edge of the glass paint it black with a permenant marker. DO NOT COVER THE WHITE. paint between the white and the edge of the glass. This will stop the light from refracting. Scan head should now find it's home position.
These are Common and normal issues with these models. Hope this helps.
Posted on Aug 03, 2009
Sometimes (not always) scanner failures are
caused by power deficiency. Generally this is a result of using the wrong
power supply or if the power supply is damaged. Look over your power cord
if you spot any damage. Also check to make sure the volt/amp output
printed on the power supply matches your printer requirements (you can usually
find this on the back or the bottom of the printer). If the voltage and
amps aren't the same (or close) then your cord is the problem.
If it isn't the cord then it's more then likely your scanner bulb. And while it is possible to replace that part on your own I wouldn't suggest it unless you're used to working on printers.
Posted on Jan 10, 2008
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Posted on Jan 02, 2017
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