Ricoh A085, Manual

Page: 253 / 617

Symbol Name Function Index No.
S21 Original width Detects the original width. 96
S22 Duplex entrance
(duplex machine
only) Detects misfeed. 109
S23 Duplex turn gate
(duplex machine
only) Detects the trail edge of paper to determine
the reverse timing of the duplex motor and
detects misfeed. 101
S24 Duplex paper
end (duplex
machine only) Detects copy in the duplex tray. 102
S25 Jogger H.P.
(duplex machine
only) Detects if the jogger fences are at home
position. 108
S26 LCT paper end
(LCT machine
only) Informs the CPU when the LCT runs out of
paper. 82
S27 LCT lower limit
(LCT machine
only) Sends signal to CPU to stop lowering the
LCT bottom plate. 81
S28 LCT upper limit
(LCT machine
only) Sends signal to CPU to stop lifting up the
LCT bottom plate. 78
Heaters
H1 Drum Turns on when the main switch is off to
prevent moisture around the drum. 54
H2 Optics
anti-condensation
(option) Turns on when the main switch is off to
prevent moisture from forming on the optics. 97
H3 Upper tray
(option) Turns on when the main switch is off to
keep paper dry in the upper paper tray. 55
H4 Lower tray
(option) Turns on when the main switch is off to
keep paper dry in the lower paper tray. 87
Thermistor
TH1 Drum Monitors the temperature around the drum. 56
TH2 Fusing Monitors the temperature of the hot roller. 59
Over
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12 February 1992 ELECTRICAL COMPONENT DESCRIPTION
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