A maintenance liquid for inkjet printers includes at least 50 wt % of at least one ether solvent according to Formula (I) or (II) with the wt % based on the total weight of the maintenance liquid: R1(CO)x(OR2)yOR3  Formula (I), and R4CO(OR5)zOCOR6  Formula (II), wherein R1, R4 and R6 independently represent an alkyl group having 1 to 4 carbon atoms; R2 rand R5 independently represent an ethylene group or a propylene group; R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; x represents an integer of 0 or 1; y and z independently represent an integer of 1 to 4; and wherein the maintenance liquid contains no more than 25 ppm of peroxide expressed as hydrogen peroxide.