Toshiba color machine 2550c code c3b16/12/2023 ![]() Since the whole thing started with changing the waste toner tray, I feel that a defective part is unlikely and that we have managed to get gunk over a sensor or misaligned something or pressed the wrong button. I assume the developer tank is the unit below the toner cartridges. We have no specific information but there seems to be an indication from what I have read that the Developer tanks should be cleaned and the image sensors cleaned (or replaced). All the others show the top and bottom voltages (i assume that's what they are) at about 1.46v It can print on media sizes up to 11' x 17' inches or A3 paper. The Toshiba e-Studio 2550c prints up to 25 pages per minute, and delivers a print resolution of 600 x 600 dpi. The yellow being the one that is different as listed below. The Toshiba e-Studio 2550C includes the newest e-BRIDGE controller with a user interface that makes it easy for users to navigate and complete even the most complex jobs. Before the screen goes to the the "call service" message the scan results show each colour having three results. When running the developer function test 05-200 we get the error C3B0. The procedure advises to replace the image sensor. No yellow printing on the test pages was the results. Then "enforced performing of image quality open-loop control (08-394) ![]() We set the variables 08-556 and 08-557 to 0 The other colours and black all come up with-in spec. Then done these procedures:Ä 8-573 to 576 shows 573=1, 564=0, 574=0, 575=0, 576=0Ä 5-390-0 to 3 seems to have isolated the problem down to the ""high density pattern abnormality" on the yellow. We have pulled the other rods (one on each color) out and back again. We have cleaned the units with the cleaning "wand" inside the main cover. Turn the code 08-2692 Prevention of color toner low density / ON/OFF setting to ON, and then set. When you check the printing status to find out that the color printing ratio is less than 5, color toner. We have googled this error and tried a few things. C3B1 Auto-toner sensor-Y abnormality (lower limit) .We have now put in a brand new waste toner cartridge and still the error happens. ![]() Message today to change the waste toner cartridge and someone tried to empty and replace the old unit (didn't know there was a new one in the cupboard). When we purchased the unit, the waste tray had to be replaced in the first couple of weeks, after that, plain sailing. Hi, we purchased a used estudio 2500c a while ago and everything has been fine up until now. ![]()
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