3-30 Phaser 6280 Color Laser Printer Service Manual
Error Messages and Codes
Jam at Duplex
The Registration Sensor detects turn On too early or does not turn On after a
paper is detected by the Duplex Jam Sensor.
Applicable Chain Link
■ Chain Link 077-104: IOT Duplex1 Jam
■ Chain Link 077-107: IOT Duplex4 Jam
Initial Actions
■ Check for obstruction or debris in the Exit Chute Out or paper path.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map Reference
■ Front Cover Harness, PL1.2.11
■ Turn Clutch, PL3.2.25
■ Regi Sensor, PL3.2.30
■ Registration Sensor Harness,
PL3.2.37
■ PH Drive Assy., PL8.1.7
■ MCU Board, PL9.1.20
■ Right Side Harness, PL10.1.15
■ Duplex Unit, PL11.1.1
■ Duplex Board, PL11.1.15
■ Duplex Clutch, PL11.2.10
■ Duplex Motor, PL11.2.23
■ “Map 1 - Electrical and Drive” on
page 10-9
■ “Map 2 - Laser Unit, Feeder Assembly”
on page 10-10
■ “Map 4 - LVPS and MCU Boards” on
page 10-12
■ “Map 5 - Duplex Unit” on page 10-13
■ “Tray 1 (MPT) and Registration” on
page 10-23
■ “Main Drive” on page 10-25
■ “Feeder” on page 10-27
■ “Fuser” on page 10-35
■ “Duplex Wiring Diagram” on page 10-41
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1. Check the paper path.
2.Is the paper path dirty.
Clean the paper
path.
Go to step 2.
2 1. Check the Rollers on the Duplex for
correct installation or damage.
2.Are the Rollers correctly installed or
damaged?
Go to step 3. Replace the
Duplex Unit
(
page 8-99).