Ricoh A085, Manual

Page: 252 / 617

Symbol Name Function Index No.
S6 Lower tray paper
end Informs the CPU when the lower paper tray
runs out of paper. 25
S7 Upper tray upper
limit (non-duplex
machine only) Detects the upper position of the paper
stack in the upper tray to stop the upper lift
motor. 30
S8 Lower tray upper
limit Detects the upper position of the paper
stack in the lower tray to stop the lower lift
motor. 27
S9 Lower relay Detects the lead edge of paper from the
lower paper tray to determine the stop
timing of the lower paper feed clutch and
detects misfeeds. 51
S10 Upper relay Detects the lead edge of paper from the
upper paper tray to determine the stop
timing of the upper paper feed clutch and
detects misfeeds. 50
S11 Registration Detects the lead edge of paper to
determine the stop timing of the feed relay
clutch and detects misfeeds.
52
S12 Image density
(ID) Detects the density of the ID sensor pattern
on the drum to control the toner density. 57
S13 V Detects the VR and VL patterns. 58
S14 Fusing exit Detects misfeeds. 62
S15 Junction gate
(duplex machine
only) Detects misfeeds. 63
S16 Scanner H.P. Informs the CPU when the 1st scanner is at
the home position. 68
S17 Lens H.P. Informs the CPU when the lens is at the
full-size position. 72
S18 Platen position Informs the CPU when the platen cover is
positioned. When the angle between, the
platen cover and the exposure glass is
about 30 degrees.
74
S19 3rd scanner H.P. Informs the CPU when the 3rd scanner is in
the full size position. 76
S20 Original length Detects the original length. 89
ELECTRICAL COMPONENT DESCRIPTION 12 February 1992
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