Xerox Phaser 7400

Error Messages and Codes 3-167
+24 V Not Available to Tray [3][4][5][6]
Voltage detection indicates that +24 V is not available to the indicated option tray.
Applicable Status Codes:
Code 924: Tray 3 not receiving +24 V
Code 925: Tray 4 not receiving +24 V
Code 926: Tray 5 not receiving +24 V
Code 927: Tray 6 not receiving +24 V
Initial Actions:
■ Reset the Option connector at the base of the printer.
■ Cycle the printer's power.
■ If the problem persists follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Motor Driver Board, PL2.1.10
■ LVPS, PL3.1.1
■ Print Engine Motor Driver Board (6/6) (page 10-36)
■ Options Paper Tray Motors and Interconnect
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the Option Tray connector for
damage.
Is the connector damaged?
Replace the
connector.
Go to Step 2.
2
Check for +24 V at OPTRY24.
1. Close the Interlock Switches.
2. Disconnect OPTRY24.
Is there +24 V at OPTRY24-1 and -2 <=>
ground?
Replace the
affected Option
Control Board.
Go to Step 3.
3
Check all pins on the OPTRY24 Harness
for continuity.
Disconnect the OPTRY24 Harness.
Is the OPTRY24 Harness conductive?
Go to Step 4. Replace the
OPTRY24
Harness.
4
Check for +24 V from the LVPS.
Disconnect POW24.
Is there +24 V at POW24-1 <=> ground?
Replace the Motor
Driver Board
(
page 8-141)
Go to Step 5.
5
Check the LVPS +24 V output.
1. Close the Interlock Switches.
2. Disconnect CN2.
Is there +24 V at CN2-1 and <=> ground?
Replace the Engine
Control Board
(
page 8-112)
Replace the LVPS
(
page 8-121).