Xerox Phaser 6128MFP Service Manual

5-2 Phaser 6128MFP Service Manual
Print-Quality Troubleshooting
Print-Quality Problems 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 p 2ossible. The first step is to generate prints using information pages
embedded in the printer on laser paper from the approved media list. Refer to
“Media and Tray Specifications” on page 1-22 for supported and specialty media
that have been tested and approved for use in the Phaser 6128MFP. Use paper
from a fresh ream that is acclimated to room temperature and humidity.
If the print-quality defect remains after printing on approved media from an
unopened ream of paper, then investigate applications and environmental
conditions.
Determine the temperature and humidity under which the printer is operating.
Compare this to the “Environmental Specifications” on page 1-16. Extreme
temperature and humidity can adversely affect print quality.
When analyzing a print-quality defect, first determine if the defect occurs in all
colors or only one color and if it is repeating or a 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 defects. If no defects
are found, replace the Imaging Unit, Laser Unit, Transfer Belt, and Fuser one at a
time until the defect is eliminated.
Defects Associated with Specific Printer Components
Some print-quality problems are associated with specific assemblies. The
xerographic component is listed with the associated print-quality defects. Refer to
the specific print-quality troubleshooting procedure for detail information.
Laser Unit
• Light or Undertone Print
•Blank Print
•Black Print
•Vertical Blank Lines
• Horizontal Band, Voids, or Streaks
•Vertical Stripes
• Horizontal Stripes
• Partial Band
• Random Spots
• Repeating Bands, Lines, Marks, or Spots
Transfer Belt
• Light or Undertone Print
• Horizontal Band, Voids, or Streaks

Xerox Phaser 6128MFP Specifications

General

Print technology	Laser
Maximum resolution	600 x 600 DPI
Economical printing	Yes
Time to first page (black, normal)	14 s
Time to first page (color, normal)	17 s
Print speed (black, normal quality, A4/US Letter)	16 ppm
Print speed (color, normal quality, A4/US Letter)	12 ppm
Scanner type	Flatbed scanner
Image formats supported	JPG, TIF
Copier resize	- %
Time to first copy (black, normal)	18 s
Copy speed (black, normal quality, A4)	16 cpm
Copy speed (color, normal quality, A4)	12 cpm
Faxing	Mono faxing
Fax speed dialing (max numbers)	200
Total input capacity	250 sheets
Total output capacity	150 sheets
Display	LCD
Market positioning	Business
Internal memory	384 MB
Card reader integrated	No
Sound pressure level (copying)	52.2 dB
Sound pressure level (printing)	14.9 dB
Maximum print size	216 x 297 mm
Paper tray media types	Bond paper, Card stock, Envelopes, Glossy paper, Labels, Plain paper
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size), Letter (media size), Oficio (media size), Statement (140 x 216mm)
ISO A-series sizes (A0...A9)	A4, A5
JIS B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
Multi-Purpose Tray media weight	60 - 216 g/m²
Power supply type	AC
Dimensions (WxDxH)	425 x 507 x 585 mm
Power requirements	120 V, 50/60 Hz
Networking features	Fast Ethernet
All-in-one functions	Copy, Fax, Scan
Standard media sizes	76.2 x 127 mm - 215.6 x 355.6 mm
Color all-in-one functions	copy, print, scan
Compatible operating systems	Windows 2000+ Mac OS X v10.3 - 10.5 Red Hat Enterprise Linux 5 Desktop SUSE Linux Desktop 10+
Dimensions (W x D x H) (imperial)	16.7 x 20 x 23 \
Acoustic power emissions (active, print, copy or scan)	62.2/30.3 dB
Standard interfaces	USB 2.0
USB 2.0 ports quantity	1
Power consumption (standby)	18.4 W
Power consumption (average operating)	360 W
Sustainability certificates	ENERGY STAR
Certification	EEC, FCC
Maximum duty cycle	40000 pages per month
Recommended duty cycle	3000 pages per month
Storage temperature (T-T)	-20 - 40 °C
Operating temperature (T-T)	10 - 32 °C
Non-operating relative humidity (non-condensing)	10 - 85 %