Xerox Phaser 790, Service Manual

Page: 517 / 653

03/01
6-7 Phaser 790/DocuColor 2006
GP 2
General Procedures and Information
54 Process Drive Unit NOTE: see WARNINGS and CAUTIONS
Process Motor On (L) +7.27 VDC (full speed
unless stacked with codes D)-00 or DO-06)
9.2
56 Dispense Clutch NOTE: see WARNINGS and CAUTIONS
Dispense Clutch On (L) +24 VDC
9.5
57 Fuser Motor, Paper
Handling Motor NOTE: see WARNINGS and CAUTIONS
Motor Speed 0 On (half speed)
Stack with code DO-53
4.1
60 Developer Fan NOTE: see WARNINGS and CAUTIONS
Developer Fan High Speed
9.4
61 Developer Fan NOTE: see WARNINGS and CAUTIONS
Developer Fan On (H) +24 VDC
9.4
62 Fuser Motor, Paper
Handling Motor NOTE: see WARNINGS and CAUTIONS
Motor Speed 1 On (1/3rd speed)
Stack with code DO-53
4.1
63 Fuser Fan NOTE: see WARNINGS and CAUTIONS
Fuser Fan On (H) +24 VDC (low speed)
Stack with code DO-65
10.3
64 Fuser Chute Fan NOTE: see WARNINGS and CAUTIONS
Fuser Chute Fan On (L) +5 VDC
10.3
65 Fuser Fan NOTE: see WARNINGS and CAUTIONS
Fuser Fan High Speed (H) +24 VDC
Stack with code DO-63
10.3
66 Cleaner Cam Solenoid NOTE: see WARNINGS and CAUTIONS
Cleaner Cam Solenoid On (L) +24 VDC
9.8
67 ADC Solenoid ADC Solenoid On (L) +24 VDC
(short duration, single-cycle activation) 9.5
70 BTR 2 Cam Clutch NOTE: see WARNINGS and CAUTIONS
BTR 2 Cam Clutch On (L) +24 VDC
9.8
71 Erase Lamp NOTE: see WARNINGS and CAUTIONS
Erase Lamp On (H) +5 VDC
CAUTION
Stack with code DO-54 to avoid Drum dam-
age
9.9
72 ADC Sensor ADC LED On (L) +5 VDC
Check signal state with DMM (refer to BSD
9.5for connection) 9.5
Table 3 Digital Output Codes
DO Code Component Signal BSD Ref
74 ROS NOTE: see WARNINGS and CAUTIONS
Polygon Motor
6.2-
75 Cartridge Sensor Cartridge Sensor On (H) +5 VDC
Check signal state with DMM (refer to BSD
9.3 for connection) 9.3
77 Sorter Option NOTE: see WARNINGS and CAUTIONS
Sorter Communication Start Signal
Check signal state with DMM (refer to BSD
11.2 for connection)
11.2
84 LVPS NOTE: see WARNINGS and CAUTIONS
Energy Star On
1.1
85 Exit Chute Fan NOTE: see WARNINGS and CAUTIONS
Exit Chute Fan On (H) +24 VDC
10.3
A0 Inverter Motor NOTE: see WARNINGS and CAUTIONS
Inverter Motor On (H) +5 VDC
10.8
A1 Enter Clutch Enter Clutch On (L) +24 VDC 10.6
A2 Duplex Drive Clutch Duplex Drive Clutch On (L) +24 VDC 10.7
A3 Forward Clutch Forward Clutch On (L) +24 VDC 10.6
A4 Reverse Clutch Reverse Clutch On (L) +24 VDC 10.6
A5 Duplex Nip Solenoid NOTE: see WARNINGS and CAUTIONS
Duplex Nip Solenoid Push (L) +24 VDC
10.5
A6 Duplex Nip Solenoid NOTE: see WARNINGS and CAUTIONS
Duplex Nip Solenoid Pull (L) +24 VDC
10.5
B0 Takeaway Clutch Tray
2 Takeaway Clutch On (L) +24 VDC 8.3
B1 Takeaway Clutch Tray
3 Takeaway Clutch On (L) +24 VDC 8.4
B2 Lift Up Clutch Tray 2 NOTE: see WARNINGS and CAUTIONS
Lift Up Clutch On (L) +24 VDC
Stack with codes DO-B7, then DO-B8
7.3
B3 Lift Up Clutch Tray 3 NOTE: see WARNINGS and CAUTIONS
Lift Up Clutch On (L) +24 VDC
Stack with codes DO-B6, then DO-B8
7.4
B4 Turn Clutch Tray 2 Turn Clutch On (L) +24 VDC 8.3
B5 Turn Clutch Tray 3 Turn Clutch On (L) +24 VDC 8.4
B6 Nudger Solenoid Tray2 Nudger Solenoid On (L) +24 VDC 8.3
B7 Nudger Solenoid Tray3 Nudger Solenoid On (L) +24 VDC 8.4
B8 Feeder Motor NOTE: see WARNINGS and CAUTIONS
Feeder Motor On (L) +24 VDC
8.5
Table 3 Digital Output Codes
DO Code Component Signal BSD Ref