Dell 5230dn Mono Laser Printer Service Manual - Page 191

Horizontal white stripes or bands (side to side direction) Leading edge Trailing edge Step Check 1 Check the media condition. Load new, dry, and recommended media. Re-print the defective image. Does the error continue? 2 Are the media transfer route and the media path free of contamination and debris? 3 Check the toner level. Is the toner level normal? 4 Check the transfer roll assembly for contamination and wear. Is the above component free of excess wear and contamination? 5 Check the printhead assembly for proper connection. Is the above component properly connected? 6 Perform a print test. Does the problem remain? Yes Go to step 2. No Problem solved. Go to step 3. Go to step 4. Remove debris or contamination. Replace the print cartridge. Go to step 5. Replace the transfer roll assembly. Go to "Transfer roll assembly removal" on page 4-80. Replace the printhead assembly. Go to "Printhead assembly removal (5230n/dn)" on page 4-60 or "Printhead assembly removal (5350dn, 5530dn, and T656)" on page 4-61. Replace the connections. Contact next highest level of tech support. Problem solved. Diagnostic information 2-157