Xerox Phaser 6250 Service Manual page 122

Troubleshooting Procedure Table (Continued)
Steps Actions and Questions
8 Perform Steps 1 through 3 in page 8-113.
Open and close the front door.
Observe the Turn Roller.
Dose the Turn Roller turn while the machine
is warming up?
9
Does the Tray 4 Turn Clutch Assembly
function correctly when feeding 1 sheet of
paper?
10 Use service diagnostics to test the Tray 4 Turn
Clutch.
Does the clutch function correctly?
11 Verify the voltage between P/J83-13 <=> P/
J81-1 on the Lower Feeder Circuit Board is
+24 VDC.
12 Check the Tray 4 Harness for continuity.
See "Paper Tray 4" on page 10-30.
13 Remove the Assembly, Clutch Turn Tray 4
connector J835.
Is J835-1 <=> J835-2 less than 200 ohms?
14 Does the Feed Gear in the Tray 4 Feeder turn
when feeding 1 sheet of paper?
15 Use service diagnostics to test the Tray 4
Clutch Solenoid.
Does the solenoid function correctly?
16 Verify the voltage between P/J83-11 <=> P/
J81-1 on the Lower Feeder Circuit Board is
+24 VDC.
17 Remove the Tray 4 Feed Solenoid connector
J834.
Is J834-1 <=> J834-2 less than 100 ohms?
18 Check the OPT Feeder Plug Assembly to the
HCF Main Assembly to the Tray 4 Harness
Assembly for continuity.
See "Paper Tray 4" on page 10-30.
3-40 Phaser 6250 Color Laser Printer Service Manual
Yes No
Go to Step 12. Go to Step 9.
Go to Step 14. Go to Step 10.
Check the clutch Go to Step 11.
for slip or the
gears for
damage.
Go to Step 12. Replace the
Lower Feeder
Circuit Board,
PL 14.5.1.
Go to Step 13. Replace the Tray
4 Harness
Assembly,
PL 14.4.
Go to Step 14. Replace the Tray
4 Turn Clutch
Assembly,
PL 14.4.18.
Check the Go to Step 16.
Solenoid for
damage.
Check the Go to Step 17.
stopper on the
feed solenoid
and replace, if
necessary.
Go to Step 17. Replace the
Lower Feeder
Circuit Board,
PL 14.5.1.
Go to Step 18. Replace the Tray
4 Feed
Solenoid,
PL 14.4.17.
Replace the Replace the
Engine Control open Harness
Board, Assembly.
page 8-107.