Xerox 450c Service Manual page 66

IQRAP 1: Blank Print RAP
See Parts List 2.1
1. Unlatch the print head, reseat it,
and latch back into position.
2. Clean the cartridge.
3. Make a test print.
Result: Test print is still blank?
No: End of RAP.
Yes: Continue with Step 4.
4. Replace the print head.
5. Check the ribbon cable from the main
board connector CN4 to the print
head. Replace or reconnect as
required.
CN10
CN4
Figure 3-1 Connector CN4
Page 3-2
6. Check the terminals on the print head and ink cartridge
for damage or contamination. Clean or replace as necessary
Figure 3-2 Print head terminals
www.printcopy.info
Print head
terminals
Xerox WorkCentre 450c/450cp Service Manual