The belt unit must be replaced every 100,000 pages, usually along with the fuser and feed rollers as part of a maintenance kit. The error code 094-422 indicates the belt has reached 75,000 page and as a result has 25% life or less remaining.
The list below shows which section heading each driver is listed under on the www.dell.com/support website for your system. Before choosing your drivers be sure and select the correct Operating system, I.e. Windows 7 from the drop down list.
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