Xerox Phaser 3155 User Manual

Phaser 3140/3155/3160 Printer Service Manual4-5
General Troubleshooting
Supplies Information Report/Error Information Report
s3160-122
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4-6Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
s3160-156
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Phaser 3140/3155/3160 Printer Service Manual4-7
General Troubleshooting
Cleaning Page
s3160-118
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4-8Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
Servicing Instructions
The service checklist below is an overview of the path a service technician should 
take when servicing the printer and printer optional equipment.
Step 1: Identify the Problem
1. Verify the reported problem exists.
2. Print normal customer prints and the printer Demo page.
3. Make note of any print-quality problems in the test prints.
4. Make note of any mechanical or electrical abnormalities present.
5. Make...

Phaser 3140/3155/3160 Printer Service Manual4-9
General Troubleshooting
Measurement Techniques
1. Unless indicated otherwise, the instruction “switch On printer power” means 
for you to switch On printer power and let the printer proceed through Power 
On Self Test (POST) to a ‘Ready’ condition.
2. Conventions used in this manual to represent connectors
3. When instructed to take voltage, contin uity, or resistance readings on a wiring 
harness, proceed as follows; Check P/J 232–1 to P/J 210–5 by placing...

4-10Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
9. Ensure that you are using a supported media size and type.
10. Power and signal grounds are connected to the frame ground. All circuit  troubleshooting can be performed usin g the metal frame (chassis) as the 
grounding point. To locate connectors or test points, refer to the “Wiring” 
section for more information.
Unless otherwise specified, the following voltage tolerances are used within 
this section:
Media-Based Problems 
1....

Phaser 3140/3155/3160 Printer Service Manual4-11
General Troubleshooting
Inoperable Printer Troubleshooting
The Printer is Not Responding to the Print Command
The printer is On, but does not respond after a print command is sent.
1. Print the Print Demo page (page 4-2). If  the page prints correctly the problem 
is not in the printer.
2. Check that the computer and the printer are properly connected. a. Reconnect the cable(s) if not properly connected.
b. Replace the cable(s) if damaged.
3. The printer...

4-12Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
Power Supply Troubleshooting
Wa r ni n g
Hazardous voltage is connected to the wall outlet. 
AC Power Troubleshooting
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■Power Supply, PL1.0.1■Map 4 - 110V and 220V Power Supply 
Boards
Troubleshooting Procedure Table Step Actions and Questions Yes No 1 Check the voltage at the AC wall outlet.
Is there approximately 110 VAC (or 
220 VAC if the printer is...

Phaser 3140/3155/3160 Printer Service Manual4-13
General Troubleshooting
No Power
When the printer is turned On, no activity is detected.
Wa r ni n g
Hazardous voltage is connected to the Power Supply.
Initial Actions
• Cycle printer power.
• If problem persists, refer to the following procedure.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■Power Cord, PL1.0.13
■Power Supply, PL1.0.1
■Controller Board, PL1.0.2
■Map 1 - Controller Board (3140)
■Map 2 - Controller...

4-14Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
5
Check and reseat th e wiring harness 
between the Power Supply CON2 and 
Controller Board CN5 (CN7 on model 
3160).
Is the wiring harness damaged? Repair the 
harness.
If the 
problem 
persists, go 
to step 6Go to step 6.
6 Check and reseat th e wiring harness 
between Control Panel CN1 and 
Controller Board CN8 (CN9 on model 
3160).
Is the wiring harness damaged?  Repair the 
harness.
If the 
problem 
persists, go 
to step...