Diagnostics information 2-59
4513-200, -220, -230
Media skews
Media “trees,” wrinkles, stacks poorly, or curls
Parallel or USB port service check
1. Perform a print test to make sure the printer prints correctly. Verify is on, then press to print menu
settings.
2. Be sure the printer parallel cable is designed for bidirectional printing.
3. Be sure the user’s application is set up correctly.
4. If the internal print test page prints correctly, then the user’s application/printer driver is set up correctly,
and the correct bidirectional parallel cable is installed, but the printer still fails to print on command from the
host computer, replace the controller board.
5. Check the USB cable for continuity.
FRU Action
Paper feed (pick tires) tray 1
Paper feed (pick tires) tray 2
Tray 1
Tray 2 (option)
Check tires for debris. If tires are new, then try reversing each on its hub.
Check side guides on Tray 1 and Tray 2. Guides set for a full stack of media
may be too wide when the stack is short.
FRU Action
Fuser This problem is most likely due to a worn backup roll. It causes the printer to run hotter than
required for the media being printed. Excessive heat can cause media treeing problems,
poor stacking, or curl.
Print the menu sheet (press and release with the printer in ready mode).
Look at the media settings. Some, such as card stock or rough texture, may require a
higher fuser temperature, which leads to more of these problems (except stacking) in plain
paper.
• Change settings using the printer driver.
• Use the local printer setup utility (included on the CD) to change the NVRAM
settings.
Try a different ream of paper. Moist media has a higher tendency to crease (treeing) and
curl.
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