Lexmark C782 Service Manual - Page 109

5061 Step Actions and questions 4 Output expander control board check-Disconnect the motor cable at J4, and check the voltages at J4 on the board. Warning: Be careful not to short to adjacent pins on the connector. The voltages measure approximately: J4-Output Expander control board (motor idle) J4-1 +24 V dc J4-2 +24 V dc J4-3 +5 V dc J4-4 +5 V dc Are the voltages correct? Yes Replace the output expander control board. No Replace the mechanical linkage/DC motor assembly. StapleSmart finisher Check Bin x displayed-POST incomplete. Step1-During POST, the stapler option does not try to home. Replace the stapler option. Step 2-During POST, the stapler option tries to home. Replace the stapler option. 5-bin mailbox option service check Note: Before proceeding with this service check, make sure the option(s) are installed correctly before attempting to service the unit. Make sure the machine is configured correctly. The majority of the mechanical components can be observed during operation by removing the left and right side covers. Step 1 Actions and questions Problems with excessive static electricity buildup. 2 The printer does not recognize one or more output options as installed. 3 272.xx Paper Jam-Check Bin 1 message Yes Go to "Problems with excessive static electricity buildup." on page 2-92. Go to "The printer does not recognize one or more output options as installed." on page 2-68. Go to "272.xx paper jam service check" on page 2-50. No Go to step 2 Go to step 3 Go to step 4 Diagnostic information 2-67