Xerox PHASER 7500 Service Manual

5-30 Phaser 7500 Printer Service Manual
Print-Quality Troubleshooting
Cause (2nd)
• The LED Print Head round-tip pin is not in contact with the Imaging Unit ball
bearing.
• The gap between the Photoreceptor and the Developer is different at In and
Out.
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Check whether the Imaging Unit
In/Out direction positioning is set
correctly.
Does the error still occur?
Go to step 2. Troubleshooting
complete.
2 Check for any debris such as bits of
paper between the LED Print Head
and the Imaging Unit.
Does the error still occur?
Go to step 3. Troubleshooting
complete.
3 Remove the Imaging Unit to check
if any debris are stuck to the ball
bearing surface (In/Out).
Go to step 4. Troubleshooting
complete.
4 Check if any debris are stuck to the
tip of the LED Print Head round-tip
pin (Out).
Does the error still occur?
Remove the
LED Print Head
Unit to check if
any debris are
stuck to the tip
of the LED
Print Head
round-tip pin
(In/Out).
Troubleshooting
complete.

Xerox PHASER 7500 Specifications

General

Max Print Resolution	1200 x 1200 dpi
Monthly Duty Cycle	150, 000 pages
Standard Paper Capacity	550 sheets
Duplex Printing	Optional
Standard Memory	256 MB
Network Connectivity	10/100/1000Base-T Ethernet
Supported Operating Systems	Windows, Mac OS, Linux
Max Paper Capacity	2, 100 sheets
Connectivity	USB 2.0, Ethernet
PDL	PostScript 3, PCL 6, PDF
Print Speed	Up to 35 ppm