Ricoh BR-C1a Basic Service Training page 297

 Toner supply control is performed by projecting
a pattern onto the ITB during the intervals
between sheets of paper during printing.
 Default: 1 pattern per 20 A4 LEF sheets.
 The ID sensor reads the reflectivity of the pattern
(affected by how much toner is present), and
then the machine uses the reading to adjust
toner supply.
Slide 297
No additional notes
Toner Supply Control
Pattern
297
BR-C1 Training