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all parts is the same PM and SM?

having problem with uneven print parallel to cylinder. ghosting or double image can be seen in the center only . what could be the culprit? tia

2nd image. from what i understand the two arrows pointing to the 2 screws is normally connected. when plunger is down it should release the contact. unfortunately mine is always on contact whether plunger is up or down. is this normal? picture reference is the first unit.

can i put epoxy to fill the hole?

yes sir junker, it is without cp tronics. please see 2 images.. 1st image i found a hole in the plunger. it got stuck up. after replacing the switch with a new one, impression worked for awhile. then again becomes intermitent

guys need help with impression problem. sometimes 2 to 4 unit will not engage. only 1st unit will engage impression. how can i fix this? also when the machine stops, last sheet doesnt have the last 2 unit color. tia

is it this one? https://www.printersrepairparts.com/get_picture.ashx?ItemId=P-9838

hi sir junker, where can i find the roller switch? you have reference picture? if electrical problem i need to call electrician. if mechanical or switch i might be able to find a solution. thanks

Please help. Counter sometimes run. Sometimes stop. How do i fix this? What triggers the counter to run?

ink film strips?

how do i properly adjust alcolor dampening rollers?

guys before getting the machine. the set zero button for the registration still works now all of a sudden it wont work anymore. tried changing different button still doesnt work. what could be the problem with this?

thank you for this NLGI is just an agency that sets standards for grease compositions, 000 is the consistency rating, this one being on the more fluid side of the spectrum, as the higher the number, the "heavier" the grease.

sir junker, what do you mean by OS cover?

thanks for the input junker and contractor. the label indicate i should use fluid grease of NLGI-class 000 or 00!, not really sure what this is. by the way, encountered 2 problems so far.. - last two sheets when you stop the machine doesnt have the last two colors. impression releases for the...

what kind of oil of fluid grease should i use for the central lubricating of heidelberg mov. model 1989. tia

thanks for this info. will have to check drive side. hope to find that sensor..

how about the crawl? it should stop after reaching the end of plate.. how to i fix it? any suggestion?

sir, thanks for that info. will check if there is a click if rotating the screws. your right there is an o ring at the end of the screws. how do i check is it is with perfector? according to the operator its not. only the 4th unit has metal jacket on impression cylinder. it a 4 color...