[Error Code] E7 61 ON MX M753N

[Guest]

We have tested the two PCU and MFP, more so, the PCU and MFP eeproms were replaced. problem persisted.

[imran]

Re: E7 61 ON MX M753N

check copiers laser unit LSU

[austonrush]

Re: E7 61 ON MX M753N

That's a mismatch error. Did you use a used board and pair it to another machine? You may have to take the boards to Sharp to be re-written.