Xerox Phaser 3155 User Manual

Phaser 3140/3155/3160 Printer Service Manual4-15
General Troubleshooting
USB Port Testing
In situations where USB communications fail, test the printer’s USB Port directly 
using a USB cable and a second, known good, USB Port. A successful test using this 
procedure eliminates the printer’s USB Port as the root cause.
• Check that the driver software is properly installed on the host.
• Make sure the USB cable is connected at both ends and is serviceable.
Note
The testing procedure was developed for...

4-16Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
Network Configuration Errors
Note
This section on network errors applies to the 3160N model only.
Send Error
Failed to access, authenticate, or connect to the SMTP/SMB/FTP server.
Initial Actions
• Check network and data configuration settings.
• Cycle printer power.
• If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■Controller Board,...

Phaser 3140/3155/3160 Printer Service Manual4-17
General Troubleshooting
Operating System and Application Problems
Common Windows Problems
The following messages may appear under various conditions.
The Printer is Not Responding to the Print Command
The printer is On, but not operating in print mode.
1. Print the Printing 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...

4-18Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
SPOOL Error
Simultaneous Peripheral Operations Online (SPOOL) is the process Windows uses 
to manage print jobs. Jobs are processed and then stored on the hard disk until the 
printer is ready to accept them.
1. Insufficient disk space on the hard disk in the directory assigned for the basic  spool. Delete any unnecessary files to provide more disk space for spool 
storage.
2. If previous printing errors were not solved. There may...

Phaser 3140/3155/3160 Printer Service Manual4-19
General Troubleshooting
Common Linux Problems
The following messages may appear under various conditions.
ConditionSolutions
The printer does not 
print.
■Check if the printer driver is installed on the 
computer.
■Open Unified Driver Configurator and switch to the 
Printers tab in the Printers Configuration window to 
check the list of available printers.
■Make sure that the printer is displayed on the list. If 
not, add the printer.
■Check if the printer...

4-20Phaser 3140/3155/3160 Printer Service Manual
General Troubleshooting
Common PostScript Problems
The following errors are PostScript language specific that may occur when multiple 
printer languages are being used.
Note
To receive a printed or screen displayed message when PostScript errors occur, 
open the Print Options window and click the appropriate selection next to the 
PostScript errors section.
ConditionPossible CauseSolutions
PostScript file does not 
print. The PostScript driver 
may not be...

5
Chapter
Print-Quality 
Troubleshooting
In this chapter...
• Print-Quality Troubleshooting Overview
• Troubleshooting Print-Quality Checklist
• Print-Quality Troubleshooting Procedures
• Print-Quality Specifications
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5-2Phaser 3140/3155/3160 Printer Service Manual
Print-Quality Troubleshooting
Print-Quality Troubleshooting Overview
Print-quality defects can be attributed to printer components, consumables, 
media, internal software, external software applications, and environmental 
conditions. To successfully troubleshoot print-quality problems, eliminate as many 
variables as possible. The first step is to generate a print using the Printing Demo 
page embedded in the printer on laser paper from the approved media...

Phaser 3140/3155/3160 Printer Service Manual5-3
Print-Quality Troubleshooting
Transfer Roller
• Uneven Density (page 5-13)
• Background Contamination (page 5-14)
• Ghosting (1) (page 5-15)
• Vertical White Lines (page 5-19)
• Vertical Black Line or Band (page 5-21)
• Black/White Spot (page 5-23)
• Skew (page 5-24)
• Stains on the Front of the Page (page 5-26)
• Stains on the Back of the Page (page 5-27)
Print Cartridge
• Light or Undertone Print (page 5-10)
• Uneven Density (page 5-13)
• Background...

5-4Phaser 3140/3155/3160 Printer Service Manual
Print-Quality Troubleshooting
Troubleshooting Print-Quality Checklist
As a first step to troubleshooting print quality problems, perform these checks to 
isolate or correct the reported problem.
Check the Print Cartridge
Check the amount of toner remaining. Lo
w toner causes print-quality problems 
such as fading, streaking, white lines, or dropouts. If toner is low, remove the Print 
Cartridge and gently agitate the cartridge from side-to-side to...