A sheet conveying apparatus comprising: an apparatus body provided with a first guide portion and a second guide portion; a sheet conveyance means (31, 34, 35, 36, 37, 38, 39) configured to convey a sheet; and a guide unit (46; 47) configured to guide the sheet conveyed by the sheet conveyance means, the guide unit (46; 47) comprising: a first movable guide supported movably by the apparatus body and configured such that a first conveyance path through which the sheet conveyed by the sheet conveyance means passes is formed between the first guide portion and the first movable guide; a second movable guide being movable with respect to the apparatus body and configured such that a second conveyance path through which the sheet conveyed by the sheet conveyance means passes is formed between the second guide portion and the second movable guide; and a linking mechanism configured to coordinate movements of the first and second movable guides (40b, 41b) such that the first and second movable guides (40b, 41b) respectively move away from the first and second guide portions (40a, 41a) from a state where the first and second conveyance paths (40, 41) are formed respectively between the first movable guide and the first guide portion and between the second movable guide and the second guide portion, characterised in that the linking mechanism comprises a support member supported by the apparatus body and movably supporting each of the first and second movable guides (40b, 41b), and wherein the first and second movable guides (40b, 41b) move respectively with respect to the first and second guide portions (40a, 41a) by pivoting on the support member. an apparatus body provided with a first guide portion and a second guide portion; a sheet conveyance means (31, 34, 35, 36, 37, 38, 39) configured to convey a sheet; and a guide unit (46; 47) configured to guide the sheet conveyed by the sheet conveyance means, the guide unit (46; 47) comprising: a first movable guide supported movably by the apparatus body and configured such that a first conveyance path through which the sheet conveyed by the sheet conveyance means passes is formed between the first guide portion and the first movable guide; a second movable guide being movable with respect to the apparatus body and configured such that a second conveyance path through which the sheet conveyed by the sheet conveyance means passes is formed between the second guide portion and the second movable guide; and a linking mechanism configured to coordinate movements of the first and second movable guides (40b, 41b) such that the first and second movable guides (40b, 41b) respectively move away from the first and second guide portions (40a, 41a) from a state where the first and second conveyance paths (40, 41) are formed respectively between the first movable guide and the first guide portion and between the second movable guide and the second guide portion, characterised in that the linking mechanism comprises a support member supported by the apparatus body and movably supporting each of the first and second movable guides (40b, 41b), and a first movable guide supported movably by the apparatus body and configured such that a first conveyance path through which the sheet conveyed by the sheet conveyance means passes is formed between the first guide portion and the first movable guide; a second movable guide being movable with respect to the apparatus body and configured such that a second conveyance path through which the sheet conveyed by the sheet conveyance means passes is formed between the second guide portion and the second movable guide; and a linking mechanism configured to coordinate movements of the first and second movable guides (40b, 41b) such that the first and second movable guides (40b, 41b) respectively move away from the first and second guide portions (40a, 41a) from a state where the first and second conveyance paths (40, 41) are formed respectively between the first movable guide and the first guide portion and between the second movable guide and the second guide portion, characterised in that the linking mechanism comprises a support member supported by the apparatus body and movably supporting each of the first and second movable guides (40b, 41b), and wherein the first and second movable guides (40b, 41b) move respectively with respect to the first and second guide portions (40a, 41a) by pivoting on the support member.