بسم الله الرحمن الرحيم
To type the Holy Quran on a typewriter or computer when in the state of haidh is Makrooh [Tanzihi]. However, considering the great honour of the Quran it is best that a woman types the Quran only when she is in a state of complete purity.
أفضل التطبيق العصري على مسائل القدوري
للمفتي محمد أشرف الاشاعتي
Vol.1 Pg.208
Note: The word [Tanzihi] was added based on the Arabic references provided by the author of أفضل التطبيق