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Can you help please ?
Have a Ricoh mp2001 . Doing solid black copies. Changed HVT Power pack and PCU . All connection on rear of PCU look good. Was thing BICU ? Any ideas welcome. Thank you in advance.
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Hello
Can you help please ?
Have a Ricoh mp2001 . Doing solid black copies. Changed HVT Power pack and PCU . All connection on rear of PCU look good. Was thing BICU ? Any ideas welcome. Thank you in advance.
what are the PM count on parts?Originally Posted by spaceman99
condition on drums/dev units?
Did you rebuild pcu or replace
Regards Mark
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Solid black indicates no charge on the drum. Since you say you have replaced the PCU and High Voltage Power Supply that leaves the contact spring at the back of where the PCU slides into the machine. It is not lining up with the opening in the back plate of the PCU that you can see the charge roller contact plate through.
hi, try to check inside the white or black plastic support of the charge roller, there is a contact with a tungsten ball, sometimes it has happened that it comes off
Last edited by luca72; 03-15-2021 at 12:18 PM.
^ this
There are 10 types of people in this world, those who understand binary maths and those who don't
Are you trying to copy; Money, death certificate, or checks? Those will come out solid black.
Otherwise, slim and others have the right idea with the contact.
Omertà
RESOLVED. Contact on rear of drum cracked behind gearbox. Causing no contact to charge roller. Hard to see at first. Replaced contact and all ok. Thank you all for your help and support.
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