Ricoh FT4227-S WPROOF
ELECTRICAL COMPONENT LAYOUT
Symbol Name Index No. P to P
Motors
M1 Bin Lift 23 A5
M2 Jogger 20 C5
M3 Grip 13 E1
M4 Stapler 12 C1
M5 Roller Drive 1 A 1
Circuit Board
PCB 1 Main Control 18 A~ G/3
Solenoid
SOL 1 Turn Gate 6 C1
Sensors
S1 Bin Lift Timing -1 24 or 25 B5
S2 Bin Lift Timing -2 24 or 25 B5
S3 Jogger H.P. 19 C5
S4 Paper 8 D~ E/5
S5 Bin (LED) 3 E5
S6 Bin (Photo transistor) 17 F5
S7 Grip H.P. 16 F1
S8 Bin H.P. 15 D1
S9 Bin Exit 5 B~ C/1
S10 Proof Tray Exit 4 B1
S11 Roller Drive Timing 2 B1
Switches
SW1 Upper Lift Limit 22 A/4~ 5
SW2 Wire Tension 21 A~B/4~5
SW3 Fron t Door 14 G 2
SW4 Sorter Stapler Set 7 G/1~ 2
SW5 Staple End 10 D1
SW6 Staple Guide 9 D1
SW7 Staple H.P. 11 C1
TABLES & SP MODES FOR PROCESS CONTROL
Data Density Grid Bias Correction Voltage
0 Normal ± 0V
1 Darker –50V
2 Lighter ± 0V
(A085/A087/A088)
EXPOSURE
Table 1:
Manual ID Correction
Table 2:
Reproduction Ratio
Correction
ID Level
1Vexp –2V
2Vexp –2V
3Vexp –1V
4Vexp ± 0V
5Vexp +1V
6Vexp +1V
7 Vexp + 2V
SP48: Lamp Voltage Data
Lamp
Voltage
0~ 75 V= Vexp
(Defoult:
63 V for 115 V machine
65 V for 230 V machine)
Repr odu ct ion
Ratio (%)
50~ 120 ± 0V
121~ 140 + 1V
141~ 160 + 2V
161~ 180 + 4V
181~ 200 + 6V
Table 4:
Low Temp. Correction
Drum
Temperature
Over 25°C ± 0V
25°C or lower + 1V
DRUM CHARGE
Table 5:
Manual ID Correction
ID Level Grid Bias Voltage
1Vgi ±0V
2Vgi ±0V
3Vgi ±0V
4Vgi ±0V
5Vgi ±0V
6 Vgi + 50V
7 Vgi + 50V
NOTE: Vgi (Grid bias voltage
for image)= –715V
Table 6:
VR Correction
VR Level Vrp/Vrg x 100 (%)
Table 8:
VG Correction
SP100: Drum Rotation
Table 7:
VR Data Correction
Drum
Temperature
Over 25°C No correction
25°C or lower V
NOTE:V
R level (max.)= 4
Grid Bias VR
Correction
R level + 1
SP34: ADS Density
Table 3:
VL Correction
Lamp
Correction
Voltage
Lamp Correction
0 100~ 84 ± 0V
1 83~ 58 –40V
2 57~ 41 –80V
3 40~ 28 –120V
4 27~ 0 –160V
Ti me (H)
0~ 1 ± 0V
2~ 36 –20V
37~ 62 –40V
63~ 87 –60V
88~ –80V
VL level
(%)
151~ –1V
101~ 150 ± 0V
~ 100 + 1V
NOTE: Lamp correctio n
voltage is added
to the pre vious
correction volt age.
Voltage
Grid Bias Correction
Grid Bias Correction
Lamp
Correction
Voltage
Voltage
Voltage
Loading...