Diagnostic Information 2-9
4025-XXX
Service Checks Flowchart
How to Use the Service Checks Flowchart
• Follow your problem to the individual Primary Service Check that corresponds to
your error code, printer operation problem, or print image problem.
• Follow the instructions presented in the Service Check.
• Voltage and resistance values presented in the Service Checks are an
approximation. Actual readings may vary from the stated values.
• Primary Service Checks may direct you to a Secondary Service Check.
How to Follow a Service Check
1. Each numbered step in a service check instructs you to perform a certain action or
procedure.
2. The Actions and Questions box may contain additional information and numbered
procedure steps you must follow to perform the action.
3. The action is followed by a question.
4. If your response to the question is Yes, then follow the instructions for a Yes reply.
5. If your response to the question is No, then follow the instructions for a No reply.
6. Service Checks may ask you to take voltage readings at certain test points within the
printer.
7. Service Checks may ask you to run a specific diagnostic routine in order to test a
FRU or circuit.
8. Service Checks often ask you to replace a printer FRU. Removal and Replacement
Procedures provide you detailed steps for removing and replacing major parts of the
printer.
See the sample service check below.
Close Door A Go to “Attendance Message - Close Door
A” on page 2-52.
Close Door B Go to “Attendance Message - Close Door
B” on page 2-53.
Step Actions and Questions Yes No
1 NO PAPER SENSOR TEST
1. Enter Diagnostics and test Tray 3 No Paper
Sensor.
2. Slide Tray 3 out of the printer.
3. Manually actuate and deactuate Tray 3 No Paper
Sensor.
Does the last number in the Diagnostics
Status Window toggle between OP and
CL?
Go to step 2 Replace the No Paper
Sensor. Go to “Tray 1
& 2 No Paper
Sensors” on
page 4-31
Attendance Message Action
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