Instruction Manual
Solving Print Quality Problems
6-16  ❖   DocuPrint 4508 User Guide
Printer Cartridge
Cleaning
Procedure
This procedure is used to clean any toner/ink contamination 
which may be present on or in the Printer Cartridge and is 
found on printed pages.
To initiate the procedure, follow these instructions:
Random deletions
Random light areas and deletions
Poor paper condition Inspect/replace paper stock
Paper is damp Replace paper stock
Contaminated Printer Cartridge Replace Printer Cartridge
(Perform the Printer Cartridge 
cleaning procedure discussed 
below before replacing the Printer 
Cartridge)
1
Power ON the Printer and allow the “READY” LED to light 
and stay lit.
2
Press and hold down on the Front Panel Key until all four 
LED’s on the Control Panel remain lit (NOT BLINKING) and 
the Printer begins to cycle up (STARTS TO FEED PAPER), 
then release pressure on key.
The Printer will produce one page with Toner/Ink 
contamination and background. Once is usually sufficient to 
clean the Printer Cartridge, but heavy contamination may 
require that this procedure be repeated.
Table 6.3 Solving print quality problems (continued)
Problem Possible Cause(s) Corrective Action(s)
Table6.3  Page4 of 4
4508-c06.frm Page 16 Wednesday, May 22, 1996 7:48 AM










