- HP Printer User Manual

Table Of Contents
ENWW Tray 4 paper feed unit 85
MFP unit explanation
2 Signals
a PRCB input signals
1 T3PREM_PS (PS13 to PRCB)
Paper passage detection signal
(Tray 4)
[L]: Detected
[H]: Not detected
b PRCB output signals
1 T3FEED_DRV (PRCB to MC7)
MC7 drive control signal (Tray 4)
[L]: MC7 on
[H]: MC7 off
2 T3PREM_PS (PRCB to MC8)
MC8 drive control signal (Tray 4)
[L]: MC8 on
[H]: MC8 off