A printer comprising: a housing for constituting a printer contour and for comprising a fixed part (101A, 102) and an opening/closing part that is openably and closeably connected to said fixed part (101A, 102); a storage part for storing a roll around which is wound a print-receiving medium and open and close by said opening/closing part; a feeding roller for feeding said print-receiving medium supplied from said roll stored in said storage part; a print head for performing desired printing on said print-receiving medium fed by said feeding roller; a discharging exit for discharging said print-receiving medium on which printing was performed by said print head to outside said housing; a fixed blade for cutting said print-receiving medium discharged from said discharging exit, fixed to said fixed part (101A, 102) so as to follow along an edge part of said discharging exit; characterized by a fixed blade cover for covering a blade edge of said fixed blade, integrally provided with said print head; and support means (190a, 190b, 114, 114a, 114b, 115) for supporting in a relatively displaceable manner said print head and said fixed blade cover with respect to said fixed part (101A, 102), forming a first state wherein said fixed blade cover covers said blade edge of said fixed blade and said print head separates from said feeding roller when said opening/closing part changes to an open state, and a second state wherein said fixed blade cover does not cover said blade edge of said fixed blade and said print head presses against said feeding roller when said opening/closing part changes to a closed state. a housing for constituting a printer contour and for comprising a fixed part (101A, 102) and an opening/closing part that is openably and closeably connected to said fixed part (101A, 102); a storage part for storing a roll around which is wound a print-receiving medium and open and close by said opening/closing part; a feeding roller for feeding said print-receiving medium supplied from said roll stored in said storage part; a print head for performing desired printing on said print-receiving medium fed by said feeding roller; a discharging exit for discharging said print-receiving medium on which printing was performed by said print head to outside said housing; a fixed blade for cutting said print-receiving medium discharged from said discharging exit, fixed to said fixed part (101A, 102) so as to follow along an edge part of said discharging exit; characterized by a fixed blade cover for covering a blade edge of said fixed blade, integrally provided with said print head; and support means (190a, 190b, 114, 114a, 114b, 115) for supporting in a relatively displaceable manner said print head and said fixed blade cover with respect to said fixed part (101A, 102), forming a first state wherein said fixed blade cover covers said blade edge of said fixed blade and said print head separates from said feeding roller when said opening/closing part changes to an open state, and a second state wherein said fixed blade cover does not cover said blade edge of said fixed blade and said print head presses against said feeding roller when said opening/closing part changes to a closed state.