Dell 5230dn Mono Laser Printer Service Manual - Page 190
Vertical lines and bands process direction
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Vertical lines and bands (process direction) Leading edge Trailing edge Step Check Yes No 1 Check the media condition. Load new, dry, recommended media. Re-print the defective image. Does the error continue? Go to step 2. Problem solved. 2 Is the media transfer route and the media path clear of debris? Go to step 3. Remove debris or contamination. 3 Check the laser beam route. Go to step 4. Check for debris between the printhead assembly and the PC drum. Is the laser beam route free of debris and the glass window, in the printhead assembly, free of contamination? Remove debris or clean the printhead assembly window. 4 Check the print cartridge for proper installation. Is the above component properly installed? Go to step 5. Inspect, clean and reinstall replace the print cartridge. 5 Check the transfer roll assembly for contamination and wear. Is the above component free of excess wear and contamination? Go to step 6. 6 Check the printhead assembly for proper connection. Is the above component properly connected? Replace the printhead assembly. Replace the transfer roll assembly. Go to "Transfer roll assembly removal" on page 4-80. Replace the connections. 7 Perform a print test. Does the problem remain? Go to "Printhead assembly removal (5230n/dn)" on page 4-60 or "Printhead assembly removal (5350dn, 5530dn, and T656)" on page 4-61. Contact next highest level of tech support. Problem solved. 2-156 Service Manual