3-22 Phaser 6180 Color Laser Printer Service Manual
Error Messages and Codes
Jam at Tray 2 (Feed Jam)
Paper fed from Tray 2 did not reach the Registration Sensor on time.
Applicable Chain Link
■ Chain Link 077-903: Jam at Tray 2
Initial Actions
■ Ensure that Tray 1 (MPT) is attached to the printer.
■ Try picking paper from a different tray.
■ Check the paper path for obstructions or debris.
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map Reference
■ MCU Board, PL9.1.20
■ Tray 1 (MPT) Retard Holder Kit, 
PL2.1.3
■ Roll Assy Feed (Feed Roll), PL3.1.10
■ Feeder Unit, PL3.2.1
■ Feed Roll, PL3.2.53
■ “Map 2 - Laser Unit” on page 10-11
■ “Map 4 - LVPS and MCU Board” on 
page 10-13
■ “Tray 1 (MPT) and Registration” on 
page 10-32
■ “Feeder” on page 10-36
Troubleshooting Procedure Table 
Step Actions and Questions Yes No
1 Perform the Registration Sensor test 
(page 4-29): Service Mode > Engine 
Diag > Sensor Test > Regi Sensor.
Does the number on the Control Panel 
increase by 1 when the Actuator of the 
Registration Sensor is activated?
Go to step 3. Go to step 2.
2 Check the wiring harness connectors 
P/J23, P/J232, and P/J2322 between 
the MCU Board and the Registration 
Sensor. Are the connectors securely 
connected?
Go to step 3. Reconnect the 
connectors.
3 Check the paper feed. Does multiple 
feed occur?
Go to step 4. Replace the 
MCU Board 
(page 8-87). Go 
to step 4.