Ricoh A250 Service Manual page 29

PRINTER CONTROLLER B305
1. OVERALL MACHINE INFORMATION ........................................ 1-1
1.1 SPECIFICATIONS .................................................................................... 1-1
1.1.1 GENERAL SPECIFICATIONS ......................................................... 1-1
1.1.2 SUPPORTED PAPER SIZES .......................................................... 1-2
1.2 SOFTWARE ACCESSORIES................................................................... 1-3
1.2.1 PRINTER DRIVERS ........................................................................ 1-3
1.2.2 UTILITY SOFTWARE ...................................................................... 1-3
1.2.3 SERVICE TOOLS ............................................................................ 1-3
1.3 MACHINE OVERVIEW ............................................................................. 1-4
1.4 BLOCK DIAGRAM .................................................................................... 1-5
2. DETAILED SECTIONS DESCRIPTIONS .................................... 2-1
2.1 ENGINE FUNCTIONS .............................................................................. 2-1
2.1.1 IMAGE DATA P[ROCESSING ......................................................... 2-1
2.1.2 PRINT PRIORITY AND INTERLEAVING......................................... 2-1
Display Priority ..................................................................................... 2-1
Copier, Fax or Printer........................................................................... 2-1
Interleave ............................................................................................. 2-2
2.2 CONTROLLER FUNCTIONS ................................................................... 2-3
2.2.1 PAPER SIZE DETECTI0N AND SELECTION ................................. 2-3
2.2.2 PAPER SOURCE SELECTION ....................................................... 2-3
Auto Tray Select................................................................................... 2-3
Manual Tray Select .............................................................................. 2-3
Tray Lock ............................................................................................. 2-4
By-pass Tray ........................................................................................ 2-4
Paper Size Mismatch ........................................................................... 2-4
2.2.3 OUTPUT TRAY SELECTION .......................................................... 2-4
2.2.4 COLLATION(SOFT)......................................................................... 2-5
2.2.5 PROOF PRINT ................................................................................ 2-6
2.2.6 RESET OPERATIONS..................................................................... 2-7
Job Reset ............................................................................................. 2-7
System Reset....................................................................................... 2-7
Menu Reset.......................................................................................... 2-7
2.2.7 HHH (OPTIONAL)............................................................................ 2-7
3. INSTALLATION PROCEDURES................................................. 3-1
3.1 PRECAUTIONS ........................................................................................ 3-1
3.2 PRINTER CONTROLLER......................................................................... 3-1
3.3 HARD DISK (HDD) ................................................................................... 3-4
3.4 NETWORK INTERFACE BOARD (NIB) ................................................... 3-5
3.5 POSTSCRIPT DIMM ................................................................................ 3-7
3.6 MEMORY (SDRAM DIMM) ....................................................................... 3-9
SM
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i A250