Error Messages and Codes 3-19
Jam at Door A Open Door A to Clear
Media reached Duplex Entrance Sensor, but a second sheet was detected in the feed
path. This error represents a misfeed jam for the Duplex Unit.
Applicable Status Code:
Code A2: Jam at Door A
Initial Actions:
■ 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 References
■ Duplex Unit, PL16.1.0 ■ Print Engine Map 5 (page 10-8)
■ Print Engine Motor Driver Board (5/6) (page 10-35)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the following for evidence of fault,
dirt, debris, or damage:
■ Door A
■ Door D
■ Duplex Unit Rollers
■ Duplex Unit connector
■ Duplex Sensors and Actuators
Is there any damage or debris?
Clean or replace
the appropriate
parts.
Go to Step 2.
2
Test the Duplex Unit sensors.
Run the Service Diagnostics for each of the
four Duplex Unit sensors.
Do the sensors and actuators function
correctly
Go to Step 3. Replace the
damaged sensor.
3
Test the Duplex Unit motors.
Run the Service Diagnostics Duplex Motor
tests.
Do the motors function correctly
Go to Step 4. Replace the Duplex
Unit
4
Inspect the wiring harness for the Duplex
Unit.
Is the wiring harness properly connected
and free from defects?
Replace the Duplex
Unit.
Replace the
Engine Control
Board
(
page 8-112).