Lexmark J110 Service Manual - Page 88

4085-001 FRU 4 Engine Board Carrier Card 5 Paper Feed 6 Transport 7 Alignment 8 Ink Cartridges Action If the missing nozzles are patterned, the problem could be the engine board or carrier card. First try replacing the engine board, then the carrier card. Ink smudging and smearing can be caused by paper problems or problems in the paper feed area. Check the following: • Correct type of paper is being used. • Paper for curl or wrinkles. • Feed rollers for wear, dirt, or looseness. • Gears for wear or binds. • Paper path for obstructions. • Distance between print media and printheads. Blurred print and voids can be caused by problems in the transport area. Check the following: • Transport belt for wear and full engagement into the carrier grip. • Carrier guide rod for wear or dirt. • Carrier to carrier frame engagement should be lubricated with grease P/N 99A0394. Lubricate the carrier guide rod and carrier frame on both sides where the two surfaces ride on the frame. • Idler pulley parts for wear, damage, or looseness. • Encoder strip for wear or dirt. Characters having uneven or jagged edges, or uneven vertical, horizontal, bidirectional (black or color) alignment can be checked by entering Diagnostics Mode and selecting Align Printheads. See "Aligning the Printheads" on page 3-5 . Check the ink cartridges. 2-66 Service Manual