Fusing Temperature Control - Ricoh G-P3 Service Manual

• Each new fusing unit contains a fuse. A short time after a new fusing unit is installed, this fuse blows.
When this occurs, the machine detects that a new fusing unit is installed.

Fusing Temperature Control

Overall Procedure
The machine starts to warm up the fusing unit to get the print ready condition. When the heating roller
temperature gets to the idling ready temperature [A], the idling procedure starts to warm up the heating
roller. The temperature becomes higher than the machine ready temperature [B] and gets to the print ready
temperature [C] after the heating roller completes the idling.
The temperature increases to the target printing temperature. Then printing starts. If the temperature does
not get to the target printing temperature before 30 seconds (SP 1104 22), printing starts.
The temperature increases to the first print temperature [G] when the first sheet of paper is printed, but this
is only for the first page.
After the printing job, the machine turns the heating roller to prevent overheating [F]. You can adjust the
fusing temperature settings.
Fusing Roller Idling
This is done at the following three times:
1. Immediately after the power is turned on, or when the machine comes back from energy saver mode,
if the fusing unit temperature is less than 100ºC.
• This is [E] on the diagram.
Fusing
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