Laserjet M601 making clicking noise when printing

I have a laserjet M601 that just started making a clicking noise when it prints.  It sounds like it is near the front right top corner somewhere under the display.  It clicks when a page is grabbed to begin printing.  I hear a  3-5 clicks when the paper is grabbed, then it stops for the remainder of the page.  If multiple pages prints, it clicks before each page begins to print.  All other printing is normal.  The print job finishes just fine and nothing is wrong.  I only hear this clicking now and it seems to be getting worse
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we have two print Laserjet M602 and M601 that have often a « 49.4a.04  Error ».

Peoples who often use it, print almost just on their browser.

After reading the release note of the firmware 2302908_435019, it’s write :

« You may see a error 49.4A.04 Error when printing PDF and Web file »it’s not really clear for me, because it’s inside the « fixes » case but this sound like

« you may see it more often….. »

Before made this Firmware Update i need to know.

If this problem is solve in the new Higher version of this Firmware (2302963_436082) ?

Where can i Download my actual Firmware for roll it back ?

These issues have been resolved and are available in the New firmware release. Please update the Firmware on printer and that should resolve the issue.