Contents15.18.1 ROM Display.................................................................................................................................................... 15- 4715.19 Test Mode (TEST) ..............................................................................................................................15- 4715.19.1 Outline.............................................................................................................................................................. 15- 4715.19.2 Test Mode Menu List (LCD Type).................................................................................................................... 15- 4715.19.3 Test Mode Menu List (Touch Panel Type)....................................................................................................... 15- 4915.19.4 D-RAM Test<(1) D-RAM TEST>...................................................................................................................... 15- 5115.19.5 Scan Test ((2) SCAN TEST)............................................................................................................................ 15- 5215.19.6 Print Test ((3) PRINT TEST)............................................................................................................................ 15- 5215.19.7 Modem Test ((4) MODEM TEST) .................................................................................................................... 15- 5215.19.8 Function Test ((6) FUNCTION TEST).............................................................................................................. 15- 5415.19.9 Roller cleaning mode ((0) ROLLER CLEAN) ................................................................................................... 15- 58Chapter 16 Upgrading16.1 Outline ....................................................................................................................................................16- 116.1.1 Overview of Upgrade (LCD type)......................................................................................................................... 16- 116.1.2 Overview of Upgrade (Touch panel type) ............................................................................................................ 16- 116.1.3 Overview of Service Support Tool (LCD type)..................................................................................................... 16- 216.1.4 Overview of Service Support Tool (Touch panel type) ........................................................................................ 16- 216.2 Making Preparations ...............................................................................................................................16- 316.2.1 Registering the System Software (LCD type) ...................................................................................................... 16- 316.2.2 Registering the System Software (Touch panel type) ......................................................................................... 16- 516.2.3 Connection........................................................................................................................................................... 16- 716.3 Downloading System Software ...............................................................................................................16- 816.3.1 Downloading System ........................................................................................................................................... 16- 816.3.1.1 Downloading Procedure (LCD type) .................................................................................................................................... 16- 816.3.1.2 Downloading Procedure (Touch panel type)...................................................................................................................... 16- 1416.3.2 Downloading RUI, and Language...................................................................................................................... 16- 2016.3.2.1 Downloading Procedure..................................................................................................................................................... 16- 2016.3.3 Downloading BOOT........................................................................................................................................... 16- 2016.3.3.1 Downloading Procedure..................................................................................................................................................... 16- 2016.3.4 Other Upgrade Methods .................................................................................................................................... 16- 2016.3.4.1 Downloading the PCL Software (LCD type)....................................................................................................................... 16- 2016.3.4.2 Downloading the PCL Software (Touch panel type) .......................................................................................................... 16- 2016.3.4.3 Downloading the CA certificate .......................................................................................................................................... 16- 21Chapter 17 Service Tools17.1 Service Tools ..........................................................................................................................................17- 117.1.1 Special Tools ....................................................................................................................................................... 17- 117.1.2 Oils and Solvents................................................................................................................................................. 17- 1