Xerox 6250N Service Manual - Page 205

Mis-Registration, Color Layer not Correctly Registered in the Process Direction The four colors of the image are not registered correctly into one image. Initial Actions: ■ If the mis-registration is in the horizontal direction, perform the color registration adjustment. See "Horizontal and Vertical Color Registration" on page 6-3. ■ If the mis-registration is in the vertical direction, clean the CTD (ADC) Sensor, then print the Color Registration Page. This forces the S6200-287 printer to perform a vertical registration adjustment. Check to see if the problem still appears before using this procedure. Troubleshooting Procedure Step 1. 2. 3. 4. 5. 6. Check Yes Reseat the Imaging Unit. Ensure Door C is fully closed and latched. Ensure Transfer Roller is fully seated and clipped in place. Is the problem resolved? Complete Clean the CTD Sensor and cycle power to the printer. Is the problem resolved? Complete Replace the CTD Sensor. Is the problem resolved? Complete Print the 600 x 600 Service Test Print. Are all the colors aligned both vertically and horizontally? Replace the Image Processor Board, page 8-110. If only one color is affected, replace the Imaging Unit. Does this solve the problem? Complete If Laser Unit is not properly seated, reseat. If it is properly seated, replace the Laser Unit, page 8-68. Does this solve the problem? Complete No Go to Step 2. Go to Step 3. Go to Step 4. Go to Step 5. Go to Step 6. Replace the Engine Control Board, page 8-107. 5-24 Phaser 6250 Color Laser Printer Service Manual