Electrophotography – Control of electrophotography process – Responsive to number of copies or passage of time
Patent
1999-04-09
2000-01-25
Royer, William
Electrophotography
Control of electrophotography process
Responsive to number of copies or passage of time
399 49, 399 60, 399384, G03G 1500, G03G 1508
Patent
active
060186356
ABSTRACT:
A method and arrangement for adjusting density in electrophotographic printing are disclosed. A toner mark is printed at a predetermined location on each of sheets of a continuous stationery. A toner mark sensor is provided to detect density of the toner mark printed on each of the sheets. A controller performs density control based on a result from detecting density of toner mark printed on every other page of the sheets.
REFERENCES:
patent: 5576811 (1996-11-01), Kobayashi et al.
patent: 5905930 (1999-05-01), Toyama et al.
Chen Sophia S.
NEC Corporation
Royer William
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