Ricoh MP C307 Field Service Manual page 598

Machine Ventilation
Status PCDU Cooling
Power ON – Stops
Warm-up
Standby Stops
1
Standby after *
printing
Printing Rotates at
full-speed Stops*
Lower Power Stops *
Silent
Abnormal
status
Notes:
1. Keeps the printing status for the time specified in SP1-950-001 through -004. Then the fan keeps rotating
until it reaches the temperature specified in SP2-241-004.
001: PCDU Cooling Duct Fan
002: Fusing Fan
003: PSU Fan
004: LD Unit Fan
2. Rotates at full speed when the temperature around the drum exceeds the temperature specified in
SP1-955-001 through -004; Stops or rotates at low-speed when the temperature is out of the threshold
specified in SP1-955-005.
001: PCDU Cooling Duct Fan
002: Fusing Fan
004: LD Unit Fan
3. If the time interval between the end timing of the last printing status and the start timing of the next
printing status exceeds the value in SP1-955-007, the machine stops the fan until the duration specified in
SP1-955-006, and then rotates at full speed.
4. If the fan is rotating, the machine keeps rotating it until the time specified in SP1-950-001 through -004.
592
Duct Fan
Rotates at low speed
Rotates at full-speed
2
Rotates at low-speed*
4
Fusing Fan
2
PSU Fan
Stops Stops
Rotates at Rotates at
3
full-speed* full-speed Stops*
LD Unit Fan
2