Ricoh B286 Service Manual page 312

SP1-xxx Feed
10 Trans.: Mode5
11 Film: Mode1
12 Film: Mode2
13 Film: Mode3
14 Film: Mode4
15 Film: Mode5
1937 Low Temp Environ Detect Ctrl
These SP's are used to modify fusing temperature control sequence in a low
temperature environment where room temperature is below the optimum room
temperature of 20
Note
! At optimum room temperature, the machine should reach the target fusing
temperature within 2 min.
! If the hot roller does not reach the target fusing temperature within 2
minutes, the machine issues SC542 (Fusing Temperature Warmup Error).
1 Low Temp Setting
The machine monitors the time required for the hot roller temperature to reach
the critical temperature defined by this SP:
Copy Ready Temperature (SP1105-1) - This SP Value (Default: 20
In a low temperature environment copying will not begin at the normal copy
ready temperature.
[0 to 50/20/5]
2 Low Temp Time Setting
This SP sets the length of time within which the hot roller temperature should
reach the target temperature set with SP1937-1. If the hot roller does not reach
the SP1937-1 temperature within this time limit, the machine will not allow
copying to start when the temperature reaches the ready temperature.
[0 to 120/120/1 sec.]
B286/B289
o o
C (68 F).
5-42
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C)
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