Ricoh Aficio SP C440DN User Manual

Bridge Board............................................................................................................................................. 233
PSU............................................................................................................................................................. 234
Controller Box............................................................................................................................................235
BCU............................................................................................................................................................ 238
When installing the new BCU..........................................................................................................239
Removing the BCU with bracket......................................................................................................240
HVPS: T1T2 Board.................................................................................................................................... 241
HVPS: CB Board........................................................................................................................................242
DC Switch Board.......................................................................................................................................244
NVRAM Replacement Procedure............................................................................................................ 245
NVRAM on the BCU........................................................................................................................ 245
NVRAM on the Controller................................................................................................................246
Adjustments.................................................................................................................................................... 248
Gamma Adjustment...................................................................................................................................248
Summary............................................................................................................................................248
Adjustment Procedure.......................................................................................................................250
5. System Maintenance Reference
Service Program Mode.................................................................................................................................253
Service Mode Operation......................................................................................................................... 253
Accessing the Required Program.................................................................................................... 253
Inputting a Value or Setting for a Service Program....................................................................... 253
Exiting Service Mode....................................................................................................................... 253
Remarks......................................................................................................................................................254
Display on the Control Panel Screen.............................................................................................. 254
Bit Switch Programming............................................................................................................................ 256
Service SP Mode Tables............................................................................................................................... 258
SP1-XXX (Service Mode)..........................................................................................................................258
Engine SP Mode Tables: SP1000................................................................................................................271
SP1-XXX (Feed)......................................................................................................................................... 271
Engine SP Mode Tables - SP2000...............................................................................................................297
SP2-XXX (Drum).........................................................................................................................................297
Engine SP Mode Tables - SP3000...............................................................................................................397
SP3-XXX (Process)..................................................................................................................................... 397
17

Ricoh Aficio SP C440DN Specifications

General

Print Technology	Laser
Resolution	1200 x 1200 dpi
Processor	533 MHz
Supported Operating Systems	Windows, Mac OS, Linux
Weight	32 kg
Print Speed	Up to 42 ppm
Monthly Duty Cycle	150000 pages
Paper Input Capacity	650 sheets
Connectivity	USB 2.0
Paper Sizes	A4, A5, A6, B5, Legal, Letter, Executive
Dimensions	40 cm x 52.85 cm x 42 cm