Ricoh A229 Service Manual page 47

Symbol
S7 Toner Density (TD)
S8 Image Density (ID)
S9 Toner End
S10 Toner Collection
Motor
S11 Toner Recycling
S12 1st Paper Feed
S13 2nd Paper Feed
S14 3rd Paper Feed
S15 1st Tray Lift
S16 2nd Tray Lift
S17 3rd Tray Lift
S18 1st Paper End
S19 2nd Paper End
S20 3rd Paper End
S21 By-pass Paper End
S22 1st Paper Near End
S23 2nd Paper Near End
3rd Paper Near End
S24
S25 Rear Fence HP
S26 Rear Fence Return
S27 Side Fence Close
S28 Side Fence
Positioning
SM
Name
Detects the amount of toner in the
developer.
Detects the density of the ID sensor
pattern on the drum.
Detects toner end.
Monitors the toner collection motor.
Monitors the toner recycling and
collection unit operation.
Controls the 1st paper feed clutch
off/on timing and the 1st pick-up
solenoid off timing.
Controls the 2nd paper feed clutch
off/on timing and the 2nd pick-up
solenoid off timing.
Controls the 3rd paper feed clutch
off/on timing and the 3rd pick-up
solenoid off timing.
Detects when the paper in tray 1 is at
the correct height for paper feed.
Detects when the paper in tray 2 is at
the correct height for paper feed.
Detects when the paper in tray 3 is at
the correct height for paper feed.
Informs the CPU when tray 1 runs out
of paper.
Informs the CPU when tray 2 runs out
of paper.
Informs the CPU when tray 3 runs out
of paper.
Informs the CPU that there is no
paper in the by-pass feed table.
Informs the CPU when the paper in
tray 1 is almost finished.
Informs the CPU when the paper in
tray 2 is almost finished.
Informs the CPU when the paper in
tray 3 is almost finished.
Informs the CPU when the tandem
tray rear fence is in the home position.
Informs the CPU when the tandem
tray rear fence is in the return
position.
Detects whether the tandem tray side
fence is closed or not.
Informs the CPU when the tandem
tray side fences are open.
1-17
Function
Index
No.
95
91
94
9
1
129
126
125
132
128
123
130
127
124
99
110
131
133
79
78
75
74
A229