Ricoh Aficio MP C4000 Troubleshooting Guide - Page 13

6. OPERATION PANEL SUBJECT Display freezes Display freezes Display freezes Display freezes Display freezes Incorrect display Incorrect display Operation panel does not work SYMPTOM If the JavaTMPlatform button is pressed twice when the main power is turned on. If wireless LAN setting was wrong If left for more than 5 minutes on a login screen SDK start logo does not change Operation panel freezes when the software keyboard is closed The LCD display for the [Extended Auto Tray Switching] title is blank, in some languages: Paper sizes missing from the display The panel does not respond at all, or The positions of the buttons shift (even after calibration) CAUSE VM card firmware System/Copy firmware System/Copy firmware See Java VM4 History See Java VM4 History See Java VM4 History Language Install firmware LCDC firmware System/Copy firmware Web Support firmware An adhesive in the assembly is expanding, causing damage to the unit. SOLUTION Install version 4.14 or later. Install version 2.01or later. Install version 2.01or later. Install version 4.25.07 or later. Install version 4.25.07 or later. Install version 4.26.05 or later. Install version 1.07 or later. Install version 1.08 or later. Install version 1.19 or later. Install version 1.09 or later. Replace the touch panel as explained in this TSB. Operation panel does not work Application buttons do not work No display No display No display Display goes black Cannot use Start key If either of the WSD Printer or Netware functions are enabled When the machine recovers from energy saver or Off/sleep mode Only the Standby LED is lit. After changing language settings This only occurs if User Authentication is enabled or the MFP had a Device Accounting Unit such as a coin collector or charge card reader. See Java VM4 History Network Support firmware LCDC firmware Cracked soldering on polygon mirror motor board See Java VM4 History Scanner firmware System/Copy firmware Install version 4.17-01 or later. Install version 8.27 or later. Install version 1.09 or later. Replace with new ass'y (P/N AX060396). Install version 4.15 or later. Install version 1.24 or later. Install version 1.24 or later. NOTE Refer to the Firmware History document for more information. Refer to D027/D029 009 REISSUE TOUCH PANEL DOES NOT RESPOND for more information. Refer to the Firmware History document for more information. Page 13 of 32