Ricoh SP 230DNw - Page 6

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Confidential
8.9 Top cover ASSY ............................................................................................................... 3-22
8.10 Fuser unit .......................................................................................................................... 3-25
8.11 Low-voltage power supply PCB ASSY ............................................................................. 3-27
8.12 New toner sensor PCB ASSY ........................................................................................... 3-29
8.13 HVPS flat cable / High-voltage power supply PCB ASSY ................................................ 3-30
8.14 Fan ................................................................................................................................... 3-32
8.15 Laser unit flat cable / Laser unit ........................................................................................ 3-33
8.16 Filter .................................................................................................................................. 3-35
8.17 Wireless LAN PCB ............................................................................................................ 3-36
8.18 Roller holder ASSY ........................................................................................................... 3-37
8.19 Main PCB ASSY ............................................................................................................... 3-38
8.20 T1 clutch / Registration clutch ........................................................................................... 3-39
8.21 Frame L unit ...................................................................................................................... 3-40
8.22 Paper feed motor / Paper feed motor flat cable ................................................................ 3-42
8.23 Front cover sensor ............................................................................................................ 3-44
8.24 Eject sensor PCB ASSY ................................................................................................... 3-45
8.25 Registration front/rear actuator holder ASSY ................................................................... 3-47
8.26 Paper feed sensor PCB ASSY ......................................................................................... 3-50
CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER
PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY ................................................................................. 4-1
1.1 Setting by Spec, Setting Serial Number and
Entering Adjusted Value of Laser Unit 4-2
1.2 Installing Firmware .............................................................................................................. 4-5
1.2.1 Checking firmware version ..................................................................................... 4-5
1.2.2 Installing firmware .................................................................................................. 4-6
1.3 Resetting to Factory Shipping State ................................................................................... 4-7
2. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY ................................. 4-8
2.1 Reset Irregular Power Supply Detection Counter of the Low-voltage Power Supply PCB . 4-8
3. IF YOU REPLACE THE LASER UNIT ........................................................................................ 4-9
3.1 Entering Adjusted Value of Laser Unit .............................................................................. 4-10
CHAPTER 5 SERVICE FUNCTIONS
1. MAINTENANCE MODE ............................................................................................................... 5-1
1.1 How to Enter Maintenance Mode ....................................................................................... 5-1
1.1.1 Method of entering maintenance mode for service personnel ............................... 5-1
1.1.2 Method of entering end-user accessible maintenance mode ................................. 5-2
1.2 List of Maintenance Mode Functions .................................................................................. 5-3
1.3 Details of Maintenance Mode Functions ............................................................................. 5-4
1.3.1 Initialize EEPROM parameters (Function code 01, 91) .......................................... 5-4
1.3.2 Transition to shipping state (Function code 03) ..................................................... 5-5