3-26 Phaser 6300/6350 Color Laser Printer Service Manual
Misfeed at Tray 4: Jam T4
Paper being fed from the 1100-Sheet Feeder did not reach the Registration Sensor on 
time.
Applicable Status Code:
Code 158: Feed Jam
Initial Actions:
■ Try picking paper from a different tray.
■ Ensure that Tray 4 is installed properly and the paper guides are set correctly.
■ Remove, fan, and reload supported media in Tray 4.
■ Remove any obstructions or debris in the paper path and cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Feed Rollers, PL12.5.18
■ Paper Pick Assembly, PL12.5.1
■ Drive Assembly, PL12.3.9
■ OPFDR Harness, PL12.3.7
■ OPTFDR Board, PL12.3.3
■ OPFREC2 Harness, PL12.3.1
■ 1100-Sheet Feeder P/J Locator (page 10-10)
■ 1100-Sheet Feeder Tray Wiring (page 10-31)
■ 1100-Sheet Feeder Drive Wiring (page 10-30)
Troubleshooting Procedure Table 
Step Actions and Questions Yes No
1
Check the printer paper path.
Does paper feed correctly from Tray 2?
Go to Step 2. See "Misfeed at 
Tray 2 Jam T2" 
on 
page 3-20.
2
If possible, print a Test print from Tray 4.
Does the Drive Assembly operate?
Go to Step 9. Go to Step 3.
3
Test the Drive Assembly.
Run the Service Diagnostics HCF/LTA Motor 
test.
Does the Drive Motor function correctly?
Replace the 
Engine Control 
Board, 
page 8-107.
Go to Step 4.
4
Check for +24 V to the Drive Motor.
1. Disconnect P/J82.
2. Close the Interlock Switch while testing.
Is the voltage between P82-1 <=> ground on 
the Upper Circuit Board HCF +24 V?
Go to Step 7. Go to Step 5.