Exhibit 23.1 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our reports, included in this Form 10-K, into the Company's previously filed Registration Statements on Form S-8 file numbers 33-61866 and 333-60984 and Form S-3 file number 333-67808. /s/ ARTHUR ANDERSEN LLP Rochester, New York September 25, 2001