Question about Minolta EP4000/5000 CS/PRO Copier
Posted by Anonymous on
Open the front door, to the upper left there is a small access remove the plate press the button with the machine on that will reset the c0500 code if it comes back do NOT reset the machine it is telling you that it need fixing continue to do that can destroy boards worse case start a fire. YOU are resetting the code for the Fusing Unit which fuse the toner to the paper. GETS very hot normally.
Posted on Jan 04, 2015
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Posted on Jan 02, 2017
SOURCE: error code C0500
C0500: Warming-up Failure
C0510: Abnormally Low Fusing Temperature
C0520: Abnormally High Fusing Temperature
Relevant Electrical Parts
Fusing Roller Heater Lamp H1
Fusing Roller Thermistor TH1
Fusing Roller Thermostat TS1
Fusing Roller Heater Lamp Fuse TF1
Side Cover Interlock Switch 2 S3
Power Supply Unit 1 PU1
Master Board PWB-A
Step Check Item Result Action 1 Does H1 turn ON after the malfunction is reset? YES Check TH1 for contamination or installation. 2 Is there continuity across CN3-1 and 2 on the Fusing Unit end with CN3 (2P) disconnected? NO Check H1, TS1, and TF1 for continuity. 3 Is there continuity across 1A and 1B, and across 2A and 2B, of S3 when S3 is turned ON? NO Change S3. 4 Is the resistance of TH1 (across CN5-2 and 3 on the Fusing Unit end) infinity? YES Change TH1. 5 Is Fuse F2 on PU1 conducting? YES Change PU1 or PWB-A. NO Change the fuse. Step Check Item Result Action 1 Is TH1 installed properly? NO Install TH1 correctly. 2 Is TH1 dirty? YES Clean or change TH1. 3 Is the circuit across CN5-2 and 3 on the Fusing Unit end closed when CN5 (4P) is disconnected? YES Change
Posted on Dec 28, 2008
SOURCE: how to reset error c0500
The error code means that the fuser is not warming up correctly. There is a small black rest botton on the main controler PCB on the back of the copier. You are going to have to take the back cover off, I believe in is four screws. Turn the power off and remove the back cover and find the small black botton, once you have found it, turn the copier back ON and press the botton and see if the error code can be rest. If it dose you are good to go... If not you may have to replace the fuser unit..... I did have a problem that was not solved with the fuser unit.. It turned out to be right side door switch... I would look there as well with the back cover off... Good Luck
Posted on Apr 04, 2012
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