Lexmark C782 Service Manual - Page 306

5061 Color printhead electronic alignment After replacing a color printhead: 1. Select Alignment from the Diagnostics Menu. 2. Select the color of printhead you are replacing. 3. Select Quick Test. Test pages are printed. 4. Adjust the Step 1 settings, based on the Test pages. • Follow Step 1 of the instruction on the Test pages. The goal is to change the values until the Test page shows A is within ±1 from B. Note: If fine adjustment lines do not line up, then use coarse alignment. • For Step 1 (top margin), press or on the operator panel to adjust the top margin. Press to submit the change. Press or to adjust the right margin. Press to submit the change. • After each adjustment, print another set of Test pages by pressing and selecting Quick Test to verify the change. • Repeat Step 1 until A is within ±1 from B, then go to step 2. 5. Adjust the Step 2 settings. • Follow Step 2 of the instructions on the Test pages. The goal is to change the value until the Test page shows A and B are within ±1. • For Step 2 (top margin), press or to adjust the top margin. Press to submit the change. • Press or to adjust the right margin. Press to submit the change. • After each adjustment, print the Quick Test pages to verify the change. • Repeat Step 2 until A and B are within ±1, then go to step 3. 6. Adjust the Step 3 settings. • Follow Step 3 of the instructions on the Test pages. The goal is to change the value for both the left and right margins until the Test page shows C and D within ±6. • After each adjustment, print another set of Test pages to verify the change. • Round any fractional numbers up to the nearest whole number. For example: (1+2)/2 = 1.5 rounds to 2. • Repeat Step 3 until C and D are within ±6. When they are, you are done. 7. Exit Diagnostics mode. Installation note: Be sure to replace all cable ties. 4-78 Service Manual