Maximum Copies Before Failure or MCBF. a System used by a company i worked for. Don't know the values or details but its something like this.
Got different levels like MCBF1, MCBF2 and 3. Like on a 30ppm machine 50K is level1, 100K is 2 and 150K is 3. So stretch past PM's. Lekker incentive they pay you a nice 3 monthly payout worth a bit. Techs compare the MCBF some times you have the luck of the area.
Never kept by the book yields, but you have to think about the logistics if you get the machine out of "phase" consumable life count screen looks like a mixed up equalizer. Like on color machines and management insists on only addressing the problem at hand so one drum here one devtank there and then given parts from decommissioned machine to use. Here try your luck with this! You tie a valuable tech up continuously going back.
Then also the trip sheets or start stop times reveals the time spent at the costumer at the office or on the road. I would guess an ideal for that ratio should go something like this. 10% Office 30% road and 60% customer. I hated monitoring and control like that.
You figure out the rhythm they like to run at. I get pissed off if i get a call on a Pro951 95ppm at 250K. 75ppm 150K to 200K. 42ppm does about 80K. Create an understanding that if a paper tray jams use the next one and notify me, being able to fix paper trays at a better convenience saves a ton. And if they are so nice to empty waste boxes... or just give them 2 extras. Then you can control the amount of toner you need to drop if your techs deliver, around 3 to 4 bottles per drop. Also basic boot stock of what you have around including some toners. Then when you are on site go thru the machine. Replace what needs replacing and eye ball the condition of weak parts, on the job ticket make a note to take with you what you need next time a call comes in.
And by go thru machine i mean don't #u%k about by not knowing the yields of the parts and not being bothered to inspect the machine. That is where the beetle falls of its pole.
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