3-18 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
26 Check the Optional Feeder Board
signal.
1.Disconnect P/J28 on the MCU
Board.
2.Is there 24 V across ground <=>
J28-B4/J28-B5 pin when the
Interlock Switch is activated?
Replace the Tray
3 Feeder
Assembly
(
page 8-107).
Replace the
MCU Board
(
page 8-86).
27 1.Perform the Tray 3 Turn Clutch test
(page 4-56): Service Mode >
Engine Diag > Motor Test > Tray 3
Turn Clutch.
2.Does the Clutch operate properly?
Go to step 35. Go to step 28.
28 1.Check the wiring harness
connectors P/J420 and P/J4201
between the Optional Feeder Board
and the Tray 3 Turn Clutch.
2.Are the connectors securely
connected?
Go to step 29. Reconnect the
connectors.
29 Check the C2 Turn Harness for
continuity.
1.Disconnect P/J420 from the
Optional Feeder Board and P/J4201
from the Optional Turn Clutch.
2.Check continuity between P/J420
<=> P/J4201.
Go to step 30. Replace the
Optional 550-
Sheet Feeder
(
page 8-100).
30 Check the Tray 3 Turn Clutch signal.
1.Disconnect P/J420 from the
Optional Feeder Board.
2.Is there +24 V across ground <=>
J420-1 pin when the Interlock
Switch is activated?
Replace the Tray
3 Turn Clutch
(
page 8-103).
Go to step 31.
31 1.Check the wiring harness
connectors P/J419, P/J281, and P/
J28 between the Optional Feeder
Board and the MCU Board.
2.Are the connectors securely
connected?
Go to step 32. Reconnect the
connectors.
32 Check the Tray 3 Feeder Harness for
continuity.
1.Disconnect P/J419 from the
Optional Feeder Board and P/J281
from the Right Side Harness.
2.Check continuity between P/J419
<=> P/J281.
Go to step 33. Replace the
Optional 550-
Sheet Feeder
(
page 8-100).
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
To Next Page
Loading...
