Ricoh JP5800 Service Manual page 53

5) When the paper bank receives the pick-up command, it turns on the tray 2 feed clutch. 20 ms after receiving the pick-
up command, the tray feed motor starts. This feeds the trial sheet until it activates the 1
nd
the paper is at the 2
6) 235 ms after receiving the pick-up command, the tray feed motor starts. The tray registration roller stops 9 steps after
the tray registration sensor activates.
7) When the paper bank receives the feed start command, the tray registration motor turns 218 steps (after a certain
delay). These steps relay the trial sheet from the paper bank to the main body. The main body now takes over feed
for this sheet of paper.
8) 160 ms after receiving the feed start command (plus a certain delay), the tray feed motor operates until the 1
sensor activates. At that time, the next sheet of paper has reached the 2
9) The registration roller (main body) starts to feed the previous sheet. After a delay, the tray feed motor turns on until 9
steps after the tray registration sensor is activated.
10) When the paper bank receives the paper feed command, the tray registration motor turns 218 steps. This feeds the
next sheet of paper from the paper bank to the main body.
RxD: Command signals from the main body to the paper bank.
relay roller.
st
relay sensor. At that time,
nd
relay roller from tray 2.
st
relay