With the cartridge check disabled, I tested the black toner in another slot and it prints fine... but the top one still fails no matter what toner cartridge is in it.
IF I apply a lot pressure to the door- forcing it in as far as possible- while doing a test print I can get a little black to print in normal mode- the it's extremely poor quality- barely legible but enough to get a configuration page...where the last recorded error was 54.18. I have replaced the color registration sensor SP12 and the DC controller assuming that this was the problem. Still no improvement.
Note- the printer will give me a config page without pressure on the door... but absolutely no black toner at all. So all I get is a colored border no information.
Looking for help or direction on where to go next.
IF I apply a lot pressure to the door- forcing it in as far as possible- while doing a test print I can get a little black to print in normal mode- the it's extremely poor quality- barely legible but enough to get a configuration page...where the last recorded error was 54.18. I have replaced the color registration sensor SP12 and the DC controller assuming that this was the problem. Still no improvement.
Note- the printer will give me a config page without pressure on the door... but absolutely no black toner at all. So all I get is a colored border no information.
Looking for help or direction on where to go next.
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