Lexmark 4079 colorjet printer plus Service Manual - Page 57
encoder/paper, operation.
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Paper Feed Electrical 010 (continued) Is the surface uniformly black and in good condition? Yes No 011 Replace the platen. 012 Replace the linear encoder/paper width sensor and check the printer operation. If the problem is not corrected, go to the beginning of this MAP. 013 Clean the platen with a wet paper towel. 014 Is the paper picked up and fed correctly? Yes No 015] Check for correct paper being used. -- Clean the paper feed rollers and remove any foreign objects from the paper path. If the paper feed rollers do not turn and the motor does rot run, go to "MAP 0280: Paper Feed Motor" on page 2-60. 016 - Remove and replace the following FRUs in sequence, checking the printer operation after each replacement: 1. Linear encoder (Asm. 9-2) 2. Logic board. 0171 (Step 017 continues) Diagnostic Information 2-37