Xerox ColorQube 9303 error code: 010-537. Any ideas??

That error signifies a printhead tilt fault. You need to replace the process drive camshaft kit, part number 8900-Z1.

http://www.iteminconline.com/8900-z1_8900-z1-xerox-8900-process-drive-camshaft-kit.htm

Head 4 cyan reservoir did not fill within the correct time.

Drum belt vibration, those models had an upgrade to a more sturdy belt which is green in color

Interesting. Recommend reading and trying the software from Microsoft. http://www.saetechnologies.com/colorqube-error-code-093-547/

I think you better get in touch with Xerox ASAP.
Sorry this problem is beyond the scope of questions and answers like these.
Good Luck.

Please get in touch with Xerox. This problem is beyond the questions and answers of fixya.
Again this probably equates to a head and plumbing problem.
Good Luck.

The error code refers to a Hardware "Pest" Fault (RAP Group:Power, Head Thermistors Name:Power, Head Thermistors). You should contact Xerox Support by phoning them directly. You'll find the numbers relevant for your Country here >> http://www.xerox.com/about-xerox/contact-us/enus.html

If it's brand new send it back to the store. It seems to be a faulty item, which would be covered under the manufacturer's warranty/

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The error is a printhead tilt fault. It's unable to tilt on the axis, caused by a fault camshaft and process motor. The part you need to fix it is 8570-Z1.

http://www.iteminconline.com/8570-z1_8570-z1-xerox-colorqube-8570-8580-8700-process-drive-camshaft-kit-includes-process-drive-motor-drum-maintenance-camshaft-transfix-camshaft.htm