Patent ID: 9736322
Date: 2017-08-15
CPC Classifications: G06F,H04N

Claim:
1. An image forming apparatus configured to check a connected state of a signal line, the image forming apparatus comprising: a controller configured to transmit a check signal; at least one electronic module, each at least one electronic module includes a first socket to receive the check signal, a second socket to transmit the check signal, and a closed loop to directly connect the first socket and the second socket; and a connector configured to connect an electronic module among the at least one electronic module to the controller, wherein the controller is configured to determine that the at least one electronic module is connected to the controller when the controller receives the transmitted check signal through the closed loop and to determine that the at least one electronic module is not connected to the controller when the controller does not receive the transmitted check signal through the closed loop, wherein the at least one electronic module includes one or more of a motor, a laser scanner, a photoconductor, and an electronic hardware, and wherein the first socket and the second socket are outermost sockets of a plurality of sockets included in the connector.