Patent ID: 9399358
Filing Date: 2016-07-26
CPC Classification: B41F,B41J

Claim Text:
1. A pretreatment apparatus comprising: a driving unit that feeds a treatment object; a pretreatment unit that performs pretreatment on a surface of the treatment object fed by the driving unit; a retaining unit that retains the treatment object on which the pretreatment has been performed in the pretreatment unit; and a drive control unit that controls the driving unit so as to return the treatment object from the retaining unit at least to the pretreatment unit if the treatment object has been retained in the retaining unit for a time longer than a predetermined time after being subjected to the pretreatment in the pretreatment unit, and to feed the treatment object on which the pretreatment has been performed again in the pretreatment unit to the retaining unit, wherein the predetermined time is changed depending on ambient humidity of an area including at least the retaining unit.