Ricoh B132 Service Manual page 949

No. Component
S7 Exit Guide Plate HP
Sensor
S8 Upper Tray Paper
Height Sensor (Staple
Mode)
S9 Upper Tray Paper
Height Sensor (Non-
Staple Mode)
S10 Proof Tray Exit Sensor
S11 Proof Tray Full Sensor
S12 Upper Tray Limit Sensor
S13 Stacking Roller HP
Sensor
S14 Stapling Tray Paper
Sensor
S15 Jogger Fence HP
Sensor
S16 Stack Feed-Out Belt HP
Sensor
S17 Corner Stapler HP
SM
Function
without stapling). When paper is fed to the upper tray, at the
paper output slot this sensor signals an error when it detects
(1) paper has failed to leave the paper exit (lag error), (2)
detects paper has failed to arrive at the paper exit (late error),
(3) detects paper is in the exit slot when the machine is
turned on.
Controls the vertical movement of the control exit guide . The
guide plate is in the home position when the guide plate is
down and the actuator interrupts the sensor gap.
This is the upper sensor of the upper/lower paper height
sensor pair that controls the lift of the upper tray. This sensor
detects the paper height of the stack in the upper tray when
the copier is operating in the staple mode.
This is the lower sensor of the upper/lower paper height
sensor pair that controls the lift of the upper tray. When the
machine is switched on, the upper tray rises until the actuator
on the tray triggers this sensor to switch off the upper tray lift
motor.
This sensor detects and times the feeding of paper to the
proof tray. It also detects whether paper is present at the
proof tray exit when the copier is switched on.
The top of the stack in the proof tray increases until it nudges
the feeler of this sensor. The sensor then signals that the
proof tray is full and the job halts until some paper is removed
from the proof tray.
This sensor controls the position of the upper tray 1) during
straight-through feed out, 2) during shift feed out, 3) when the
machine is turned on. The machine obeys the signal of
whichever sensor is actuated first.
An actuator attached to an arm triggers this sensor. The tip of
the same arm depresses the upper tray limit switch If the
sensor fails, the tip of the arm will activate the upper tray limit
microswitch (SW2) and stop the lift of the upper tray.
Note: When the machine is turned on, the upper tray position
is controlled by either this sensor or the upper tray paper
height sensor (S9).
Controls the forward and back motion of the stacking roller (a
sponge roller) located at the output slot of the upper tray. The
sponge roller drags each ejected sheet back against the end
fence of the upper tray to keep the bottom of the stack
aligned.
A photo sensor that detects whether paper is in the stapling
tray. When this sensor detects paper, the bottom fence motor
raises or lowers the bottom fence to position the selected
paper size for booklet stapling.
Detects the home position of the jogger fences. When the
actuator on the jogger fence interrupts this sensor, the jogger
fence is in its home position and the jogger fence motor
(M15) stops.
Controls the position of the stack feed-out pawl on the stack
feed-out belt. Once the actuator on the feed belt nudges the
feeler of this sensor near the top of the stapling unit, the feed
out belt motor (M5) remains on for the time prescribed to
position the pawl at the home position to catch the next stack.
Located at the front the stapling tray and mounted above the
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ELECTRICAL COMPONENTS
B700/B701