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Laserbeam
05-04-2017, 02:01 PM
Hello,

a bizhub 652 shows regularly every few days, error-code C4501. After clearing the code, the machine runs completely normal for several days.

This procedure is repeated every few days. According to the service-manual there is a laser malfunktion.
Is it possible that the small sos-index-mirror in the unit is dirty? :confused:
This error I knew from earlier models, such as Konica 9028.

Tech Helpdesk
05-04-2017, 04:52 PM
Hello,

a bizhub 652 shows regularly every few days, error-code C4501. After clearing the code, the machine runs completely normal for several days.

This procedure is repeated every few days. According to the service-manual there is a laser malfunktion.
Is it possible that the small sos-index-mirror in the unit is dirty? :confused:
This error I knew from earlier models, such as Konica 9028.


Best thing to do is pop a new laser in the machine, but you can try and clean the old laser and remove the polygon without touching the sides with your hands and apply a tiny bit of furniture polish on the hole for the air bearing and re-assemble like we used to on the old Konicas

Synthohol
05-04-2017, 05:30 PM
IIRC there was a free of charge laser replacement program because they knew they had too many failures.
When I get home I'll see if I can find a bulletin.
O think it was the 2 series...

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