2 - P - 4
ADU PAPER EXIT/CONVEYANCE SECTION
[5] ADU Cooling Fan Control
M152 (ADU fan), FM152 (ADU cooling fan 1) and FM153 (ADU
cooling fan 2) are installed in the paper exit/conveyance
section in order to prevent curling of the paper.
M152, FM152 and FM153 is driven by the CB (control board).
1. Operation
a. ON timing
M152: Rotation at the start of paper feed
FM152 and FM153: Rotation at the start of paper feed
when a two-sided copy is specified
b. OFF timing
M152: Specified period from when PS19
goes OFF
FM152, FM153: End of paper exit
2. Signals
a. Input signals
(1) M152 LD (M152 → CB)
[L] is output when M152 reaches the specified speed.
(2) FM152 LD (FM152 → CB)
[L] is output when M152 reaches the specified speed.
(3) FM153 LD (FM153 → CB)
[L] is output when M153 reaches the specified speed.
b. Output signals
(1) M152 DRIVE (CB → M152)
M152 ON/OFF drive signal
[L]: M152 ON
[H]: M152 OFF
(2) FM152 DRIVE (CB → FM152)
FM152 ON/OFF drive signal
[L]: FM152 ON
[H]: FM152 OFF
(1) FM153 DRIVE (CB → FM153)
FM152 ON/OFF drive signal
[L]: FM153 ON
[H]: FM153 OFF
PGND
PGND
78-7
78-6
DCPS
M152 DRIVE
M152 LD
FM152 DRIVE
FM 152 LD
FM153 DRIVE
FM153 LD
65-B1
65-B2
83-B10
83-B11
83-A12
83-B12
CB
M152
FM152
FM153
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