26-2.Dehumidifying Mechanism; Pc Drum Dehumidifying; Paper Dehumidifying Mechanism - Minolta Di181 Service Manual

26-2. Dehumidifying Mechanism

(1) PC Drum Dehumidifying

÷ A heater is used to prevent condensation from forming on the surface of the PC Drum
due to changes in temperature and humidity.
Heater ON conditions
CONTROL SIGNAL
H2

(2) Paper Dehumidifying Mechanism

÷ A heater is used to prevent image transfer failure from occurring due to damp paper as a
result of variations in the environmental conditions (temperature and humidity) surround-
ing the copier.
Heater ON conditions
CONTROL SIGNAL
H3
Drum Dehumidifing Heater H2
1174M013AC
Power Cord Power Switch
IN OFF
ON
CN10-1 DC24V
Paper Dehumidifying Heater H3
Power Cord Power Switch
IN OFF
ON
CN10-1 DC24V
M-78
Drum Dehumidifying Switch
OFF WIRING DIAGRAM
–
1149M023AA
Paper Dehumidifying Switch
OFF WIRING DIAGRAM
–
ON
1-D
ON
11-G