OKI C8800dn User Manual

C8800 User’s Guide141
        Jams 4.eps   
3.Open the front cover.
4. Remove any jammed sheets.
5. Close the front cover. 
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C8800 User’s Guide142
Print Quality Problems ___________________
Blurred print (letter edges)
     
Blurred print (one  side of page)
     
Fading (in patches) 
     
Possible cause Remedy
LED is dirty. Clean LED with lens cleaner or soft tissue.
Cannot print desired 
color because toner is 
low. Replace toner cartridge.  
See “Replace a Toner 
Cartridge” on page 71 .
Possible cause Remedy
To p  c o v e r  i s  n o t  
properly closed. Press the cover release latch and open, then close, the 
cover.
One...

C8800 User’s Guide143
Fading (Vertical)  
     
Light Print
     
Possible cause Remedy
LED head is dirty. Clean LED head  with lens cleaner or soft tissue.
Toner is low. Change toner cartridge.
Paper is unsuitable for 
printer. Use recommended paper.
Possible cause Remedy
The toner cartridge is 
incorrectly installed.Reinstall the toner cartridge.  
See “Replace a Toner 
Cartridge” on page 71 .
Toner is low. Change toner cartridge.   See “Replace a Toner 
Cartridge” on page 71 .
The paper is moist....

C8800 User’s Guide144
Lines, Black (Vertical)
     
Lines, White (Vertical)
     
Possible cause Remedy
Image drum is 
damaged. Replace image drum.  
See “Replace an Image Drum” on 
page 76 .
Toner is low. Change toner cartridge.   See “Replace a Toner Cartridge” on 
page 71 .
Periodic black 
lateral lines or 
spots. If the lines or spots occur at intervals of approximately
44 to 94 mm
 
The green surface of the image drum is damaged or dirty. If 
damaged, replace the image drum cartridge.   See...

C8800 User’s Guide145
Shading on unprinted sections
     
Toner rubs off when  you rub the printed 
surface.
      
Ultra Heavy
If the Ultra Heavy setting does  not give proper toner fusion, 
you can try the Label settings. 
Possible cause Remedy
Paper has been affected 
by static electricity. Store paper within specified temperature and humidity 
levels.  
See “Specifications” on page 122 .
Paper is too thick. Use recommended paper.   See “Paper (Print Media)” on 
page 11 .
Toner is low. Replace toner...

C8800 User’s Guide146
USB Proble ms __________________________
Cannot configure for USB connection
NOTE:  Windows NT 4.0 does not support USB. Windows 98 
upgraded from Windows 95 may not support USB.
      
      
Possible cause  Remedy
USB cable does not meet 
specifications. Use USB cable to specification Ver.2.0.
Interface is disabled.  Check that USB in terface is set to Enable in the menu 
(USB MENU  → USB  → ENABLE).
Configuration procedure was 
not correctly followed or 
cancelled. Configure...

C8800 User’s Guide147
Cannot print
•PRNUSBx write error is displayed.
     
Possible cause Remedy
Interface is disabled. In the printer me nu settings, enable the USB interface 
(USB MENU  → USB  → ENABLE).
Printer is switched OFF. Turn on the printer.
Printer interface cable is 
disconnected. Reconnect the printer interface cable.
A converter, buffer, 
extension cable or USB 
hub is being used. Test by connecting the printer and computer directly.
Printer driver output 
port is incorrect. Set correct...

C8800 User’s Guide148
Application er ror ________________________
or
General Protecti on Fault __________________
Possible cause Remedy
Application is not 
suitable for the 
operating system. Upgrade the application.
Memory is insufficient 
for number of 
applications running. Close all other applications.
Print file is corrupted. Correct or recreate the file.
Memory is insufficient 
for application. Increase computer’s memory.
Printer driver is 
incorrectly configured. Correctly configure printer...

C8800 User’s Guide149
Paper Size Change  Request ________________
Printer does not go online _________________
Printer makes a st range noise______________
Possible cause Remedy
Paper loaded in tray is 
different size from that 
formatted in software 
application. Either change paper in tray to match size formatted in 
application and press ON-LINE to continue, or continue 
printing on existing paper by pressing ON-LINE.
Possible cause Remedy
Bad connection Switch off the printe
r and disconnect the...

C8800 User’s Guide150
Printer takes a long time  to start printing _____
Printing cancels _________________________
Possible cause Remedy
The printer has to warm 
up returning from power 
save mode. In the printer menu settings, set power save to a 
higher value to increase the length of time before 
entering power save mode (SYS CONFIG 
MENU 
→  POW SAVE TIME).
The image drum carries 
out a cleaning process to 
ensure print quality, which 
takes time. Wait until this process has been completed.
The...