Ricoh BE-C1 D046 Field Service Manual page 558

8. Appendix: SP Mode Tables
This SP sets the temperature at which inching starts in a low-temperature environment where
fusing temperature control is handled with the settings of SP1937.
If the machine detects a low temperature environment at power on:
• Inching starts if the temperature of the pressure roller is more than 60°C. Inching will start
when the hot roller reaches its target temperature.
• Inching does not start if the temperature of the pressure roller is less than 60°C. Inching
will start when the temperature of the hot roller reaches the copy ready temperature.
Note: 60°C is the default target temperature of the pressure roller set with SP1932-3 (Roll
paper, plain Mode 3).
[0 to 50/20/5]
11 Low Temperature Mode Setting: Cold Start
If the hot roller temperature is below the temperature set with this SP at the beginning of a cold
start, the machine determines that it is in a low temperature environment
[0 to 50/15/1]
12 Low Temp Mode Setting: Cold Start Hold Time
This SP determines the length of time the machine remains in the low temperature cold start
mode after the machine determines that that it has been cold started in a low temperature
environment. After this time has elapsed, fusing temperature control will operate with the paper
type and thickness settings.
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[0 to 20/7/0.5 min.]
13 Low Temp Mode Paper Interval Ratio
This SP sets the size of the gap between sheets of paper while the machine is in the low
temperature environment cold start mode.
[1 to 10/3/0.1 mm]
CPM Down DFU
While the machine is operating the CPM down function increases the gap between the trailing
edge of the sheet in the fusing unit and the leading edge of the sheet behind. Widening this
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gap allows more time for the hot roller to transfer heat to the pressure roller while there is no
paper between the fusing roller and pressure roller. This keeps the fusing temperature at the
optimum level for fusing. This is especially important in long jobs that use narrow paper.
1 Enable
This setting disables/enables the CPM down function during machine operation.
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