Brother HL-4000CN, Service Manual

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2. Workflow in the Field
< Initial Actions >
1. Question the Customer for details about the system malfunction.
2. Note down the meter count.
3. Inspect the rejected print and determine the machine condition.
4. Check the Machine Log Book.
< For UM visit >
1. Perform the Level 1 troubleshooting.
2. Perform the troubleshooting.
3. Print any Internal Test Pattern to check the print quality. (See page V-51)
4. Feed paper from each tray, and clean or replace the feed role as required.
5. Repair any secondary problems that would prevent the machine from running.
6. Perform the trim activities.
< For SM visit >
1. Print any Internal Test Pattern to check the print quality. (See page V-51)
2. Feed paper from each tray, and clean or replace the feed role as required.
3. Repair any secondary problems that would prevent the machine from running.
4. Perform the trim activities.
< Final Actions >
1. Check the machine overall operation and function.
2. Check the machine appearance and consumables.
3. Perform the operator training as required.
4. Record the performed action in the Machine Log Book and Service Report.
5. Store the sample printouts in the Machine Log Book.