Lexmark C750 Service Manual - Page 111
Lexmark C750 Manual
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5060-00x Step 9 Action and questions Make sure the sensors are correctly connected to the duplex system board. Are the cables correctly connected? Yes Repair or replace the duplex option. No Correctly connect the cables. 24x Paper jam Printer configuration and 24x paper jam codes Paper jam code 241 242 243 244 Tray identification Tray 1 Tray 2 Tray 3 Tray 4 Problem related to the following option or tray (depending on installed configuration) Internal 500-sheet tray 500-sheet tray option 500-sheet tray option or 2000-sheet HCIT option 500-sheet tray option A maximum of three optional 500-sheet tray options can be installed or a maximum of one 500-sheet tray option plus a 2000-sheet HCIT option is supported. If a 2000-sheet HCIT is installed, and optional 500-sheet tray is required and must be installed under the duplex option. See "Printer configuration diagrams for 24x paper jams" on page 2-81. 500-sheet drawer option (242, 243, 244) Media does not reach the pass thru sensor. Warning: Whenever the 500-sheet tray is removed, use care as the autocompensator may be in its down position which could result in damage to the autocompensator assembly. The tray empty sensor, paper low sensor, and pass thru sensor for any installed Tray x (x=1 through 4) can be checked using the "Sensor Test" on page 3-24. Step 1 2 Action and questions Is tray x a HCIT 2000-sheet option? Is a 24x paper jam error message displayed? Yes Go to step 2 Go to "2000-Sheet high-capacity input tray (HCIT) (243, 244)" on page 2-79. Go to step 4 No Go to step 3 Go to "Highcapacity input tray (HCIT) 2000sheet option service check" on page 2-128. Inform the customer that media loaded in Tray x does not meet specification Load the media correctly 3 Make sure the media installed in the tray meets specifications. Does the media meet specifications? 4 Make sure the media is loaded correctly. Make sure the side and back restraints are located and seated properly. Is the media loaded correctly? Go to step 5 Diagnostic information 2-77