Ricoh B121 Service Manual page 323

When the machine is making copies on thick paper, the fusing temperature is
set to the Thick Paper Temperature (SP1-105-9/10). When thick paper reaches
the registration sensor, the copier checks the fusing temperature, and executes
one of the following processing:
• Stops feeding the thick paper (and keeps it at the registration sensor) and
waits for the fusing temperature to reach the predefined temperature–the
temperature 5°C lower than the Thick Paper Temperature. (The fusing
temperature keeps rising until it reaches the Thick Paper Temperature while
the thick paper travels from the registration sensor to the fusing unit.)
• Continues feeding paper and executes the print job if the fusing temperature
is high enough.
b1/b2 Standby Mode
When the copier is not making copies, the fusing temperature is set to the
Standby Temperature (T
However, if you have raised this temperature, the BICU may be unable to
generate an SC code in the event of fusing lamp error.
While in the Standby Mode, the copier checks the fusing temperature every 1.5
seconds (G: SP1-108-1). Turning on and off the fusing lamp may affect the
voltage of the power source (in the room), causing the fluorescent lights (in the
room) to flicker. To lighten such trouble, you can adjust the control period.
However, if you elongate this period (to two seconds or longer), the BICU may
be unable to generate an SC code in the event of a fusing lamp error.
e Low Power Mode
When the Energy Saver Timer ( > System Settings > Timer Settings → Energy
Saver Timer) expires, the fusing temperature is set to the Low Power Temperature
(T : SP1-105-7/8).
1
SM
: SP1-105-3/4). You can adjust this temperature.
2
6-65
IMAGE FUSING AND PAPER EXIT
B121 Series/B259 Series