Xerox Phaser 3140 Service Manual

5-2 Phaser 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 list. Refer
to “Media and Tray Specifications” on page 1-16 for supported and specialty
media that have been tested and approved for use in the Phaser 3140/3155/3160.
Use paper from a fresh ream that is acclimated to room temperature and
humidity.
If the print-quality defect is still present when printing on approved media from an
unopened ream of paper, then investigate software applications and
environmental conditions.
Check the temperature and humidity under which the printer is operating.
Compare this to the “Environmental Specifications” on page 1-13. Extreme
temperature and humidity can adversely affect the xerographic and fusing
characteristics of the printer.
When analyzing a print-quality defect, determine if the defect is repeating or
random occurrence. Continuous defects in the process direction, such as Voids and
Lines, are the most difficult to diagnose. Inspect the visible surfaces of all rollers for
obvious defect. If no defects are found, replace the Print Cartridge, Transfer Roller,
Fuser, and Laser Unit one at a time until the defect is eliminated.
Defects Associated with Specific Components
Some print-quality problems are associated with specific assemblies; the most
common problems and the associated assemblies follow.
Laser Unit
• Black Print (page 5-11)
• Vertical White Lines (page 5-19)
• Vertical Lines are Curved (page 5-20)
Fuser
• Ghosting (3) (page 5-17)
• Ghosting (4) (page 5-18)
• Stains on the Back of the Page (page 5-27)
• Incomplete Fusing (page 5-30)
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Xerox Phaser 3140 Specifications

General

Color	No
Maximum resolution	600 x 1200 DPI
Time to first page (black, normal)	10 s
Print speed (black, normal quality, A4/US Letter)	18 ppm
Internal memory	8 MB
Maximum internal memory	- MB
Sound power level (standby)	26 dB
Sound pressure level (printing)	50 dB
Total input capacity	250 sheets
Total output capacity	80 sheets
Maximum duty cycle	10000 pages per month
Page description languages	GDI
Maximum print size	210 x 297 mm
Media weight (tray 1)	60 - 163 gsm
Paper tray media types	Plain paper
ISO A-series sizes (A0...A9)	A4, A5
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Mac compatibility	Yes
Custom media sizes	76 x 127 - 216 x 356 mm
Compatible operating systems	Windows 2000/XP/2003, Vista, Mac OS
Power consumption (standby)	60 W
Power consumption (printing)	360 W
Display	-
Operating temperature (T-T)	10 - 32 °C
Operating relative humidity (H-H)	20 - 80 %

Weight and Dimensions

Dimensions (WxDxH)	360 x 389 x 230 mm