HP Color LaserJet Professional CP5220 Service Manual - Page 256

Problem Some color is misregistered. Sample Toner smears appear on the media. The printed page contains misformed characters. Text or graphics are skewed on the printed page. The printed page contains wrinkles or creases. 244 Chapter 3 Solve problems Cause Solution The product is incorrectly calibrated. The ITB unit is defective. Calibrate the product. If the ITB does not rotate smoothly or a cleaning malfunction occurs (ITB is dirty), replace the ITB. See Intermediate transfer belt (ITB) on page 87. The drive gear of the ITB motor is worn or chipped. Check each drive gear between the ITB drive roller and the ITB motor. If the gear is worn or chipped, replace the drive unit. The RD sensor is defective. Open and close the front door several times to clean the RD sensor. If the problem persists, replace the RD sensor. See Registration sensor assembly on page 112. The laser scanner unit is defective. Replace the laser scanner assembly. See Laser scanner assembly on page 105. The print cartridge is defective. Replace the print cartridge of the affected color. The product has residual media. Remove the residual media. The fuser inlet guide is dirty. Clean the fuser inlet guide. The product is experiencing page skew. The laser scanner unit is defective. See the "Text or graphics are skewed on the printed page" row in this table. Replace the laser scanner assembly. See Laser scanner assembly on page 105. The registration shutter spring Check the spring and place it in the is unhooked. correct position. The registration shutter spring Replace the registration sensor is deformed. assembly. See Registration sensor assembly on page 112. The roller or media feed guide Clean any dirty components. is dirty. A feed roller is deformed or has deteriorated. Replace any deformed or deteriorated rollers. The paper feed guide is damaged. Replace the paper-feed-guide unit. ENWW