I get new setups that fails with the auto adjustment i you don't do that first.Sheets, books, objects (Max. The minimum and maximum width adjustment.

Yes this did improve the skew but, the Auto Stop position doesn't work in Main Scanning direction. Rear L&R Height Adjustments Yes I tried, Also the RH Side Hinge all the way to the Left and All the way to the right.Īlso Played with the height adjustments of the Prohibited/LockTight screws on the actual reading section, which you probably thinking of as Guide adjustments. I digged out installation manual and followed procedures from there and stopped at the Auto Stop position adjustments in Main Scanning Direction as it messaged Unable. Now regarding Guide Adjustments, Can you be more specific as to where or what do you mean by that. I have fed 99% of my test from bypass to avoid any skew during print transport. Print area is fine, as I mentioned above the copy from the glass is fine. So I think, resp the machine thinks it reached HP. No C-Code or any code for that matter related to the Slit glass movement. There is no folded or nicked corners on original before or during scanning. Are the motors the same as C451 range? Or the relay boards? I know that MFPB or PRCB aren’t the same but the small pieces should be, shouldn’t they. I don’t have any other machine to try from. That put me on complete stop as what it could be. When I was happy with some sort of skew level I done successfully Feed Zoom Adjust, Auto Stop position adjustments worked only in Sub scanning direction, Main scanning direction however came as unable to perform.

I looked for any obstruction in mechanism and all clear, so gave it a bit of a lube, to improve movements. When tested in Service mode, the actual Sensor is switching (Manual movement of the slit glass), but during calibrations or scanning it not always reach the HP. Today I have noticed the slit glass home position is not always to the check point. When scanned from glass all good, When ADF used skewed. I was testing predominantly COPY function.

Customer then showed me some of the scanned documents(Pdf looked a bit distorted and skewed). It improved for a bit and then it went back the square one. I have adjusted the ADF in every possible direction to the maximum the adjust able screws could go. I had a closer look and there is nothing in the paper path and tyres are clean all rollers clean and turn smoothly. We have a customer with ongoing problem of document feeder skewing and jamming a lot (Transport section mainly)

Bizhub c452 document feeder skewed