Color Quality Issue (Copy mode only)

[sharpmind]

Guys, any ideas why the color quality in copy mode is not defined properly in MPC 4500?For example, the colors of the original are maroon and yellow green, the output in copy mode becomes brown for maroon and light blue for yellow green. I had the test page from the machine and the colors were registered accurately.RGB colors were printed as is and CMYK as well.

Your ideas on this issue are highly appreciated.

[TonerMunkeh]

Clean the optics and white reference plate. Run forced line position adjustment and forced process control in SP modes, then ACC it. That should sort you out.

[iust]

Clean the optics and white reference plate. Run forced line position adjustment and forced process control in SP modes, then ACC it. That should sort you out.

Its best idea for the problem

[sharpmind]

Clean the optics and white reference plate. Run forced line position adjustment and forced process control in SP modes, then ACC it. That should sort you out.

I've already cleaned the optics and then performed autocolor calibration but nothing happened. So I tried force line adjustment (SP 2-111-3 (c) and 2-111-1(a) and then run ACC again but still same problem. I tried to copy the original with the another machine, there are 2 colored machines with same model in the customer place, and it showed same problem.

[sharpmind]

Clean the optics and white reference plate. Run forced line position adjustment and forced process control in SP modes, then ACC it. That should sort you out.

Thanks! I will do it again.

[Jomama46]

If this doesnt do it, you will need to replace the SBU (behind the lens)

[TonerMunkeh]

Urgh, hopefully not. They cost a bloody fortune.

[Jomama46]

I remember the 1224 had this problem, something about the glue being inadequate. Had to replace the whole lens assy on 4-5 of them.

[TonerMunkeh]

Yeah, a large account of ours got 71 of the shitboxes in, we had to do the lot.

[Jomama46]

71! That'll make a drinker out of anyone. Not that I need an excuse

[cobiray]

You should have your mouth washed out with soap for mentioning that model!!!!

[Jomama46]

I hear ya , brother

[nos]

i worked on wwaaayyy to many of the model we shall not speak of. just got a new customer that bought one at an auction. "only" paid $400. IDIOT! told him to call next time before he bids. anyway, i swore that i wouldn't work on it. lied to myself again. not only did i work on it, it was the rotten job of the contact transfer clutch. what is wrong with me???