1) 티엠제이 - T(티), M(엠), J(제이) -----> TMJ
2) 솔더 인쇄용 - something to print 솔더 ( I don't know 솔더 as well)
3) 세정주기에 따름 - following(depending on) your cleaning routine(circle), for example, you clean it every 7 days.
** Is your job translating or corresponding with Korean company?
If it is latter, just send them e-mail in English.