Question about Office Equipment & Supplies
Is the SC just 900 or is it SC900-01? If it is 900 then it is a total counter error stating that the machine exceeded 9,999,999 copies. If the machine does not have this many copies then the NVRAM is defective. If the SC is 900-01 then the total counter is not working properly. Causes could be .... the mechanical total counter defective, mechanical total counter disconnected, or a poor connection at the total counter. Hope that it is the latter of the 2 codes.
Posted on Jan 04, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
[SC900] - replace fuse 8 0 4, DC power supply
[SC900] - replace black total counter
[SC900] - CN4 0 3 SCU PCB, poor connection
[SC900] - replace SCU PCB, see FSM page 5 64 for rom and dip switch info
Total counter error: Fuse #5 on PSU blown
Total counter error: Total counter defective
[SC900] - NV ram defective
[SC900] - re load copier firmware
[SC900] - replace counter harness
Electrical counter fail - Replace Mechanical Counter
Electronic counter error - Replace NVRAM-B098 9590.
[SC900] - replace IOB PCB
[SC900] - NVRAM defective
Electrical total counter error - NVRAM data defective
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