A faucet with a vertically adjustable spout. The apparatus has a fixed portion and a movable portion which can engage the rings of a ladder andor a one or more piece of large sheet material in place. The apparatus also includes a controller for periodically turning the heating device on to heat and melt coalesced phase change waste ink within the waste ink gutter assembly; and a waste ink collection container for collecting melted phase change waste ink from the waste ink gutter assembly. The retainer is further chromated with trivalent chromium. In one embodiment, the remote systems include a responsive remote system and an unresponsive remote system, and the query result is received from the responsive remote system. The present disclosure improves capability of a PPPoE server and a terminal for processing errors, thus making it convenient for the mobile terminal and an operator to control a PPPoE dialup process and for a user to surf the Internet through WiFi by rapidly using PPPoE dialup functionality.