| 摘要 |
PURPOSE: An image forming apparatus is provided to reduce the evaporation of ink in a nozzle unit of a head chip by individually covering a plurality of head chip module in a printer head with a plurality of sub-covers. CONSTITUTION: An image forming apparatus comprises: a head chip module(21) which comprises a plurality of head chips(211); and a plurality of sub-covers which individually cover a plurality of head chip modules, is installed in a main cover(41), is elastically supported by an elastic member. One end of the elastic member is installed in a supporting member and the other end is installed in the sub-cover with passing through the main cover. The main cover covers the head chips.
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