hello, i have a problem with a km biz 200 the problem is that after replacing the developer and before i can run f-8 i started getting sc 2557 (atdc) sensor reason for dev. change was because copy quality was light and gray machine also has 150k copies and this is the first dev. change so after going through svc mode and clearing out error and turning mach off and back on again still getting the 2557 error code also i did not use the vacuum anywhere near the atdc sensor i just dumped old dev. in a bag and emptied it. any help is appreciated and as allways thank you in advance for your help.
taylor
taylor
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