Ricoh GR-C1 Series Service Training page 206

Brief Descriptions of the Technologies
1. QSU (Quick Start-up)
2. Hybrid QSU
Slide 206
No additional notes
This technology reduces both the amount of energy
consumed while in Standby mode (the Ready condition) is
reduced, as well as the time it takes for the machine to
warm up to the Ready condition.
This is made possible through the utilization of dual fusing
lamp heating, low fusing point toner, a pressure roller with a
"sponge" surface layer, a thin surface layer hot roller, or a
fusing belt.
This technology adds an additional circuit to conventional
QSU Technology, which allows the benefits of reduced
energy consumption and reduced warm-up time described
above to be extended to high-speed machines.
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GR-C1 Training