Connect your external MIDI device to the MPC1000 by connecting a cord from the MIDI OUT port of MIDI keyboard to the MIDI IN port of the MPC1000.
Use a cable cord to connect the MIDI OUT port of the MPC1000 to the MIDI IN port of your MIDI device.
Select the "MIDI" option from the "Type" field on your MPC1000 and then select the "OFF" option from the "Pgm" field.
Play on your MIDI keyboard to make sure you can hear it through the MPC1000. Determine what you want to record onto your MPC1000 from your MIDI keyboard.
Press the "Play Start" button on the MPC1000 while holding down the "Rec" button. The recording will begin after a four-second countdown.
Press the "Stop" button on the MPC1000 to stop the MIDI recording. You will then have a recorded sample from your MIDI keyboard.