Code 012 307 on my Xerox D110 system - Xerox Office Equipment & Supplies

Quester edited for clarity and spelling 'deer' to 'Deere'.
Question moved to John Deere D110.

Try the 5 minute fix, but your sounds like the hydrostatic transmission.

https://www.google.com/search?q=John+Deere+D110+mower+stops+after+5+feet

..

have you thought about using google?
https://forum.support.xerox.com/t5/Printing/fault-code-092-311-of-xerox-D110/td-p/172164

https://www.support.xerox.com/support/xerox-d95-d110-d125/support/enus.html

Found in the Administrator's Guide:

078-210 / 078-211
[Cause] Tray 6 (HCF) malfunction
[Remedy] Contact our Customer Support Center

Before calling, check for paper jam or small pieces of paper in and around Tray 6. There may be a piece jammed around a sensor that is throwing the error,

Sounds like it is getting air in fuel lines, hard start is that you are repriming system, check fuel lines for cracks, if so replace them.

Stuart,

Do an internet search for torque specs 2011 John Deere D110. You should be able to find the service manual for this product easily.

You need to download the drivers for your hp photosmart printer D110 Go to this link: http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?os=2093&lc=en&cc=us&dlc=en&sw_lang=&product=4023246
When you get there, select where you see "Operating System", select your operating system (ex: XP, Vista, or Windows 7). It will then show all the drivers.scroll down and then download and reinstall it. Hopefully this will help...good luck.

Acer D110 External Harddisk 3.5" 1 TB
USB 1.1 / 2.0 compatible
480 Mbps max
USB powered

just get one from a old computer speaker system there the cheapest