Phaser 350 stuck in warmup cycle

[jessiedog]

Hi All: I have a phaser 350 printer that works great when it is initially started up. It goes through the warmup cycle fine and prints a perfect cleaning page. After the printer sits unused for a while and goes into standby and then it gets stuck in the warmup ??% cycle when trying to use it again. The only way to get it working is to start it up again. I have another 350 that I can use for parts and I have changes the drum temp sensor (located on the top left of the drum), have changed out the maintenance tray, and changed out the main circuit board. Is there another sensor somewhere that I can change that might resolve this problem? Any other ideas are welcome.
One other minor annoyance is that the display shows "Front Door Open" even though it is closed. I have to push it in further to get the error to go away. Can I place a piece of tape in the sensor to eliminate this or is there a way to adjust the door?

Thanks in advance for any help you can give.

 

[Dany1]

You say thad your printer goes in stanby after a time. This type of printer knows to type's of standby, an normal standby and the enegy star stanby. If in energy stanby the warming up can takes up to 20 min before aktive. Wy, if in this stanby the printer wil coul down, therefor it needs to warm up completely. Check energy star mode to set on the highest setting. For the front door check the sensor on the paper preheater. It can be broken or give a false contact and in this case the printers stays in warming up try to replace the paper/drum heater. greetz dany

 

[jessiedog]

Dany thanks for the response. Unfortunately, my printer will stay in warmup all day if I let it. I don't think the heater is bad because it works great when I first start the printer, only going bad after I let it go to standby.
Also, I thought the front door close sensor was located on the left side of the printer (as you look at the front) and was activated by the little black flag that rotates forward as you shut the door. Is this not the correct sensor?
Again, thanks for the response.

 

[Dany1]

You Can be correct, I know just thad this sensos is located near the prehaeter, Heater is just located behind the front door. Try two other things, it is unlike for succes but verifie cant hurt. Remove powwersupply, mainbord and power controlboard (board where mainbord and powersupply connects to), Clean them carefully (remove dust whit a pencil or compressed air) and put them back.
I had a few cases where the printer dit a lot of things but not the correct things, removing dust from the power control board solved the problem. Perhaps in this case also. probably not but verifie cant hurt. greetz dany