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My TS9521c keeps powering itself off when I power it on with the operation panel open. It starts the start up process and then shuts off after about 5 seconds. If I power it up with the operational panel down I get the 1240 error but then as soon as ...

My PIXMA 9521C decided to stop printing half way through a print run and shut down unexpectedly. It now powers on, but shuts down after about 4 seconds.Symptoms - I can power it on with the control panel down and it stays powered on, but continues to...