Xerox WorkCentre Pro 412 Service Manual page 211

Maintenance & Troubleshooting
Solution:
The location of both the send and receive sensor windows are shown in Figure 1. Using a lint-free cloth,
clean both windows and try the empty cartridge again.
Upper sensor window.
Lower sensor window.
Figure 1 Sensor windows
7-7-6 Compaq Laptop Scanning Problems
Operational Groups:
Omnifax (USA), ESG, NASG-Canada
Problem:
On some Compaq Laptops it has been noticed that when you are scanning from the Twain Driver using the
Parallel port connected to the WorkCentre Pro 412 the process can fail to work properly.
Cause:
It has been found that the chipsets that control the Compaq portable's I/O ports have some problems with
certain devices.
WorkCentre Pro 412, FaxCentre F12 & 3/03 7-41
WorkCentre M15/M15i