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There's been loads of issues with machines recently due to the return of load-shedding and and other electrical issues. Power surges, brown outs, etc..
Check the setting of SP 2208 Toner Supply Mode. If it is set to 1 Pixel Count Control that could be your problem. Pixel count can tend to slowly under tone as it does not use either of the sensors, TD or ID. It is intended for temporary use when one of the sensors is bad and you are waiting for a new one.
Check the setting of SP 2208 Toner Supply Mode. If it is set to 1 Pixel Count Control that could be your problem. Pixel count can tend to slowly under tone as it does not use either of the sensors, TD or ID. It is intended for temporary use when one of the sensors is bad and you are waiting for a new one.
It is on 0 - sensor control, I did have it set to 1 a while ago for testing purposes but it made no difference.
Try to split the developing unit and check if toner falls down from the toner hopper when you rotate the toner supply gear...
If it does, check the toner supply motor (not the pump one, the one that rotates the toner hopper gear that makes the toner drop from the toner hopper onto the developing unit)
' "But the salesman said . . ." The salesman's an asshole!' Mascan42
'You will always find some Eskimo ready to instruct the Congolese on how to cope with heat waves.' Ibid
I'm just an ex-tech lurking around and spreading disinformation!
Try to split the developing unit and check if toner falls down from the toner hopper when you rotate the toner supply gear...
If it does, check the toner supply motor (not the pump one, the one that rotates the toner hopper gear that makes the toner drop from the toner hopper onto the developing unit)
I will split the units tomorrow and check that.. But I did already replace the dev unit with the toner hopper from a working machine for testing purposes and the motor that drives the hopper as well
This is some stuff I would try. Not sure if it will work for you but it did work on a machine I working with recently.
SP 2209 - I set this to a low value. Something like 200 and let the client run the machine for about 2000 prints to see the outcome.
SP2210 - I set this to 5. I believe the default is 10. Again I made the client run the machine for about 2000 prints or more and monitored closely.
I had to be very careful it didn't over-tone,.. Which it did for 1 moment... I adjusted it again before it got bad
All the best
Thank you I will try these and let you know, luckily it is not a client's machine but one of our own as we have a print bureau in house so I will monitor closely tomorrow
Thank you I will try these and let you know, luckily it is not a client's machine but one of our own as we have a print bureau in house so I will monitor closely tomorrow
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