Olivetti d-Color MF4003 User Manual

d-Color MF4003/MF3303
P THEORY OF OPERATION > 9. CU-202
P-111
[4]
[3]
[2]
[6]
[5]
[1]
[1] UFP filter [2] Exhausted air from the power supply section/paper exit
section of the main body
[3] Exhausted air from the machine [4] Air flow inside the clean unit
[5] Exhausted air from the fusing section of the main body [6] Exhausted air from the clean unit
9.2.2Fan control
(1)Control conditions
• The clean unit drive board drives three exhaust fans 1/2/3.
• Three exhaust fans control the rotation in a same way.
Control conditions Exhaust fan/1 (FM1) Exhaust fan/2 (FM2) Exhaust fan/3 (FM3)
• When the door is open
• In sleep
• Rewriting firmware
• In standby
• In trouble
Stop Stop Stop
• Initial operation
• During image stabilization
• At operation check function
(when the load check)
• When printing (1-Sided / 2-
Sided)
• During IU temperature
lowering wait control
Full speed Full speed Full speed
(2)Lock detection
• The clean unit drive board detects the lock status of the exhaust fans.
• Even when one of the exhaust fans in the clean unit is locked, the clean unit drive board sends a lock signal to the main body. Then a
clean unit fan's failure to turn (C5360) will appear on the operation panel.
Exhaust fan/1 (FM1) Exhaust fan/2 (FM2) Exhaust fan/3 (FM3) Lock signal (LOCK) Status
Rotation Rotation Rotation L Normal
Lock status Rotation Rotation H Clean unit fan's failure to turn
(C5360)
Rotation Lock status Rotation
Rotation Rotation Lock status
Y119930-3
Service Manual

Olivetti d-Color MF4003 Specifications

General

Brand	Olivetti
Model	d-Color MF4003
Category	Copier
Language	English