Ricoh B234 Service Manual page 918

FUSING
One Fusing Lamp: Lamp 1 Only
In the table below B236/D103 (3) is the only time in the fusing lamp cycle that the 2
lamps (1 and 2) come on. Thereafter, only 1 lamp (lamp 1) is used. Also, 2 lamps
(1 and 3) come on at (4). Thereafter, only 1 lamp (lamp 1) is used.
Lamps Operation Immediately Before/After Job Start
Model
B234/B235/D101/D102
B236/D103
During the job, the lamps are switched ON when the thermistor detects the
temperature of the hot roller surface is lower than:
During the job, the lamps are switched OFF when the thermistor detects the
temperature of the hot roller surface is higher than:
Tracing Paper
When tracing paper is fed from a tray (if the user selects 'Translucent Paper'), the
fusing lamps are not controlled based on the size of the paper. The control method,
however, is nearly the same as that for normal paper.
During the job, the lamps are switched ON when the thermistor detects the
temperature of the hot roller surface is lower than:
During the job, the lamps are switched OFF when the thermistor detects the
temperature of the hot roller surface is higher than:
B234/B235/B236/D101/D102/D103
Status Before Job
Start
(1) 2 on
(2) 1, 2, 3 off
(3) 2 on
(4) 3 on
(5) 1, 2, 3 off
SP1105 001 (002, 003) + SP1105 007
SP1105 001 (002, 003) + SP1105 007 +2°C
SP1105 001 (002, 003) + SP1105 009
SP1105 001 (002, 003) + SP1105 009 +2°C
6-156
Status After Job Start
2 off 1
1
2 remains on 1
3 remains on 1
1
SM