●Make sure that the power supplied to the printer is steady and meets printer specifications. See Specifications.
●Clean the printer. See Cleaning the printer.
●Contact an 
152 Chapter 7 Problem solving  | ENWW | 
●Make sure that the power supplied to the printer is steady and meets printer specifications. See Specifications.
●Clean the printer. See Cleaning the printer.
●Contact an 
152 Chapter 7 Problem solving  | ENWW |