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ADU
2. Signals
a.
ADUSDB input signals
(1) PS58 (PS58 to ADUSDB to PRCB)
Detection of paper passage in ADU paper rever-
sal section.
M7 is rotated in the opposite direction or turned
OFF with reference to this signal. The leading
edge or trailing edge of paper is detected.
[L]: Paper exists
[H]: Paper does not exist
(2) PS59 (PS59 to ADUSDB to PRCB)
Detection of reference timing for conveyance
speed change.
The ADU paper conveyance speed change tim-
ing is detected by detecting passage of paper.
[L]: Paper exists
[H]: Paper does not exist
(3) PS60 (PS60 to ADUSDB to PRCB)
Detection of loop timing as well as timing of
paper conveyance to second paper feed section.
The leading edge or trailing edge of paper is
detected by detecting passage of paper.
[L]: Paper exists
[H]: Paper does not exist
b.
ADUSDB output signals
(1) M7 DRIVE A, A (ADUSDB to M7)
M7 A-phase drive control pulse signal.
(2) M7 DRIVE B, B (ADUSDB to M7)
M7 B-phase drive control pulse signal.
2-N-14
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