Ricoh B121 Service Manual page 561

PRINTER/SCANNER B622
1. INSTALLATION................................................................................1
2. TROUBLESHOOTING .....................................................................2
2.1 CONTROLLER ERRORS............................................................................. 2
2.2 LEDS AND TEST POINTS ........................................................................... 2
3. SERVICE TABLES...........................................................................3
3.1 SERVICE PROGRAM MODE....................................................................... 3
3.1.1 ENABLING AND DISABLING SERVICE PROGRAM MODE .............. 3
Entering the SP mode.............................................................................. 3
Exiting the Service Mode ......................................................................... 3
3.2 PRINTER SERVICE MODE ......................................................................... 4
3.2.1 SERVICE MODE TABLE..................................................................... 4
3.2.2 BIT SWITCH PROGRAMMING ........................................................... 4
3.2.3 SP MODES RELATED TO PRINTER CONTROLLER ........................ 5
3.3 SCANNER SERVICE MODE........................................................................ 6
3.3.1 SCANNER PROGRAM MODE TABLE................................................ 6
3.4 FIRMWARE UPDATE PROCEDURE........................................................... 7
3.5 POWER-ON SELF TEST ............................................................................. 7
3.6 SELF DIAGNOSTIC TEST ........................................................................... 7
3.7 USER PROGRAM MODE ............................................................................ 7
4. DETAILED SECTION DESCRIPTIONS ...........................................8
4.1 OVERVIEW .................................................................................................. 8
4.2 CONTROLLER FUNCTIONS ....................................................................... 9
4.2.1 PAPER SOURCE SELECTION ........................................................... 9
Tray Priority (Auto Tray Select)................................................................ 9
Tray Lock ................................................................................................. 9
Manual Tray Select .................................................................................. 9
4.2.2 AUTO CONTINUE ............................................................................. 10
4.2.3 PAPER OUTPUT TRAY .................................................................... 11
Output Tray Selected ............................................................................. 11
Sequential Stacking ............................................................................... 11
4.2.4 DUPLEX PRINTING .......................................................................... 11
4.3 SCANNER FUNCTIONS ............................................................................ 12
4.3.1 IMAGE PROCESSING FOR SCANNER MODE ............................... 12
Image Data Path .................................................................................... 12
4.4 NETWORK INTERFACE ............................................................................ 13
4.4.1 LED INDICATORS............................................................................. 13
4.5 IEEE1394 INTERFACE .............................................................................. 14
4.5.1 SPECIFICATIONS............................................................................. 14
Hardware Specification .......................................................................... 14
SM
TABLE OF CONTENTS
i B622