Lexmark OptraImage SC 1275 Service Manual - Page 78
Lexmark OptraImage SC 1275 Manual
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Foggy Background Possible Cause Action Poor development Replace the high voltage assembly (HV1). Replace the mechanical controller board (PWB-A). The following are customer replaceable parts at prescribed intervals: Replace the toner cartridge. Replace the PC drum cartridge. Blank Print Possible Cause Action Dirty or damaged PC drum contacts Transfer Roll Incorrect laser exposure Clean and reseat the PC drum contacts. Replace if necessary. Be sure the transfer roll is installed correctly. Replace the printhead. Replace the mechanical controller board (PWB-A). Gently rock the toner cartridge to distribute the toner evenly. If you still have the problem, replace the toner cartridge. This is a customer replaceable part at prescribed intervals. Poor development Diagnostic Information 2-43