My scanner scans from the start position to the end, by the hinge, but when it gets there the scanning bar stops and a rapid clicking sound comes from it; the scanning bar does not move and the scan is not transmitted to the PC. Any suggestions?
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Error code C0650 Konica Minolta bizhub 160 Black Faulty scanner home position sensor. • The scanner home position sensor (PS100) does not go from HIGH to LOW when the scanner motor (M4) is energized for a given number of steps after the sequence to bring the scanner back to its home position has been started at the end of a scan motion and during re-shading. • The scanner home position sensor (PS100) does not go from LOW to HIGH when the scanner motor (M4) is energized for a given number of steps after a scan motion has been started at the end of a PS100 home check scan motion and during re-shading. THANK'S
It is normal for this scanner to briefly "scan" when it is plugged in. However, the moving lens shouldn't go all the way down to the back end. It sounds like the scanner is physically damaged, most likely the belt slipped several cogs and now the scanning mechanism is out of alignment. Look into warranty service for the unit.
I've just got this problem after a powercut, whilst it was not being used but on. If you have only had it a few months send it in warranty. Think I will have to take this apart and see if the scanner cable/ribbon/drive belt is caught on something or been stretched too much and can be replaced at all. Its like at one end its caught and wont move the scanning head being stuck somehow, caught on something (doubtful tho').
I assume you are using this with a computer. One thing comes to mind that relates to software. You should be able to do a preview scan of the whole scanner bed, then move the frame to the area you want to scan only, sort of like cropping the picture. If those crop borders are set to less than the whole document, you will get this kind of scan.
Now if that isn't the problem, the scanner likely has a electronic issue unless the scanner has had a nasty fall. If you want to really explore deep and don't mind if it doesn't work afterwards, turn the scanner off and unplug the power. Open it up just enough to access the optical unit and see if it will move the entire length of the scanner without binding where you experience the end of the scan. Go rather slowly and gently so you don't strip the toothed belt if it has one. You will feel a wierd sensation and some resistance as you move it along which has to do with the stepper motor and that's normal. If that works, it's likely it failed on it's own. If it binds where the scan ends, you'll have to investigate whether it's due to a rusty rail (hope not!) or some other obstruction.
I had exactly the same problem with my OfficeJet 6110 as reported above (i.e. the scan head not knowing where the end-stop is).
This is how to fix it (this method worked for me)
1) Lift up the scanner/copier hinged lid. Around the edge of the scan glass are 4 Torx screws. Undo all four screws.
2) Carefully prise the control panel faceplate off. The buttons underneath are on a single panel. Slide this to the left and lift off.
3) Jiggle the lid of the scanner to get it off the main body of the printer.
4) Locate the scan engine motor (top right corner) and remove the two motor retaining screws (one on the left of the motor, the other on the right).
5) Lift out the entire mechanism (rod, drive belt, scan head) and turn over.
6) Thoroughly clean all glass and mirrored areas of the scan head. Also clean the scan lamp on the top of the scan head. Clean the tray inside the scanner (where the scan head travels back and forth). Also clean the inside and outside of the scanner glass pane itself.
7) Refit all parts, using the technique described above, in reverse order.
8) Switch on printer. It should now work OK.
Hope this helps, guys.
Make sure the lock switch is in the unlocked position. The lock switch is on the bottom of the scanner. It sounds like something is preventing the scanning bar from getting to the home position. If the scanner was somehow locked with the scanning head being out of the home position, then the result would be what you describe.
You will need a torx driver and or phillips to take it apart. Just common sense and patience will get that accomplished. What you want to do then is find the cables that run from the scanner to the circuit boards, disconnect them and reconnect them. Ribbon cables need to be gently removed and be sure when replacing them you don't get any folds in them.
If the that doesn't work, then most likely the board or scan motor have failed. You may also want to look in the scanner and see if the home position sensor, which would be a U shaped sensor has popped out. The clicking is from the scan head trying to find the home ( start) position sensor and not finding it. When it works correctly it drives back until a little flag passes between the light and the photo sensor within that home sensor. Once the light is broken the scan motor shuts off and positions the lamp properly.
the metrologic scanner you are talking about has a barcode in the maual under the keyboard wedge section it is called stand alone keyboard this will cure your problem when you scan it.
the reason being it fools the scanner into thinking there is a keyboard connected.
hope this helps