Lexmark C782 Service Manual - Page 58

5061 Step 8 Actions and questions Check to see if the ITU drive roll gear (A) is turning during POR. Observe the gear by opening the MFP door to its horizontal position. Observe the gear on the left end of the ITU drive roll. The ITU drive roll gear should turn for a few seconds slowly and smoothly before the printer posts a 100.01 ITU error. Yes Go to step 10 No Go to step 9 Does the Gear turn? 9 Check to see if the ITU drive motor is turning during POR. Observe the ITU motor during POR by removing the rear cover. Is the ITU drive motor turning? Replace the ITU drive assembly. see "ITU drive assembly removal" on page 4-52. Go to step 10 10 Check to see if the printer is setting on a solid, flat surface. Is the printer setting on a solid, flat surface? Go to step 11 Place the printer on a solid, flat surface. 11 Make sure the ITU drive motor assembly cable is correctly installed to the ITU drive motor and at connector location J16 on the system board. Is the cable correctly installed? Go to step 12 Install the cable correctly. 12 Make sure the ITU autoconnect cable is installed Go to step 13 correctly at connector location J7 on the system board. Is the cable correctly installed? Install the connector/cable correctly. 13 Make sure the ITU autoconnect connector in the printer Replace the Replace the ITU is seated correctly in the connector plate. following FRUs in autoconnect Is the connector seated correctly? the following order: cable. 1. ITU assembly. See "ITU assembly removal" on page 4-49. 2. System board. See "System board removal" on page 4-89. 2-16 Service Manual