IBM 28P1938 User Guide - Page 107
The elevator tray does not move up or down. The printer recognizes that the option is installed.
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IBM Infoprint 1130/1140 The elevator tray does not move up or down. The printer recognizes that the option is installed. FRU 1 DC Drive Motor High Capacity Feeder Option System Board Action Be sure the motor cable is correctly installed at J1 on the board. Check the cables, damaged or loose wires. Disconnect the motor. Check for a short between each pin and the motor housing. If a problem is found, replace the motor assembly. If no problem is found, measure the resistance between the following pins on the motor cable connector: Pins 1 (brown) and pin 2 (Yellow) The resistance measures between approximately 7.5 and 10.5 ohms. If incorrect, replace the motor assembly. If correct, replace the high capacity feeder option system board. 2-80 Service Manual
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