Lexmark X644E Service Manual - Page 49
Scanner-ADF symptoms, Scanner-scan quality, High-capacity feeder (2000-sheet) symptoms, Symptom
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7002-xxx Printer symptoms (continued) Symptom Printer-vertical black bands on edge of copy (print quality) Unable to clear a 32-Unsupported Print Cartridge user error message. Action Go to "Print quality-black bands on outer edges of the page" on page 2-163. Go to "Signature button assembly service check" on page 2-170. Scanner-ADF symptoms Symptom Action ADF does not recognize paper length in the Go to "ADF paper length sensor service check-models paper tray X644e/X646e" on page 2-122. ADF does not recognize one or all paper widths of paper in the paper tray Go to "ADF paper width sensor service check-models X644e/X646e" on page 2-123. Scanner-flatbed symptoms Symptom Flatbed scanner does not recognize paper size. A blue screen on the touchscreen. The MFP does not come to a Ready state. A clicking noise coming from the back of the MFP between the scanner and the printing unit. Action Go to "Flatbed size sensor service check" on page 2-131. Go to "843.xx Error code service check" on page 2-116 Go to "843.xx Error code service check" on page 2-116 Scanner-scan quality Symptom Vertical streaks or lines on image All black or blank page Wavy lines-flatbed or mixed mode up to 300 dpi Line compression Action Go to "Vertical streaks or lines on image" on page 2-165 Go to "All black or blank image" on page 2-168 Go to "Wavy lines" on page 2-169 Go to "Line compression" on page 2-169 High-capacity feeder (2000-sheet) symptoms Symptom The printer does not recognize the highcapacity feeder installed. Paper feed problem with the high-capacity feeder. Action Go to "High-capacity feeder input tray service check" on page 2-141. Go to "High-capacity feeder input tray service check" on page 2-141. Diagnostic information 2-11