Page 1 Page 2 Page 3 Page 4 Page 5 Input Receiv er1 1 Tick DFD Level 1 FileUserName CommandUserName Stop Input Ink Input Paper Input Requested DataUserPrintData Stop Data Ink Increase Data Paper Increase Data User Data Input Parser 11 Admin Process or2 User Process or3 Stop Reques t4 Request Selector 7 Admin RequestPage 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Page 14