Ricoh C231 Service Manual page 23

SP6-02: Main scan position - ADF ......................................................5-14
5.7.4 SP6-31: SBU CALIBRATION .........................................................5-15
5.7.5 SP6-20: REGISTRATION BUCKLE (NOT USED)..........................5-15
5.7.6 SP6-23: PAPER REGISTRATION – EACH SPEED.......................5-16
5.7.7 SP6-27: PRESS ROLLER BUCKLE ...............................................5-18
5.7.8 SP6-26 AND 37: MASTER LENGTH A3/A4 ...................................5-19
5.7.9 SP6-33 AND 34: PPR REG (
5.8 MAIN MENU NO.7: MEMORY CLEAR....................................................5-23
5.8.1 SP TABLE ......................................................................................5-23
5.8.2 SP7: HOW TO CLEAR ...................................................................5-23
5.8.3 SP7-1: FACTORY SETTINGS CLEAR...........................................5-23
5.9 MAIN MENU NO.8: SYSTEM TEST........................................................5-24
5.9.1 SP TABLE ......................................................................................5-24
5.9.2 SP8-1: DOWNLOAD MAIN FIRMWARE ........................................5-24
5.9.3 SP8-2: UPLOAD MAIN FIRMWARE...............................................5-25
5.9.4 SP8-10: TEST PATTERNS ............................................................5-25
5.9.5 SP8-21: PAPER FEED TEST (15 RPM).........................................5-25
5.9.6 SP8-22: FREE RUN PAPER FEED (15 RPM) ...............................5-25
6. DETAILED SECTION DESCRIPTIONS ....................................... 6-1
6.1 MECHANISM OVERVIEW ........................................................................6-1
6.1.1 MAJOR PARTS ................................................................................6-1
6.1.2 ELECTRICAL COMPONENT LAYOUT ............................................6-2
Boards ..................................................................................................6-3
Motors...................................................................................................6-3
Switches ...............................................................................................6-4
Sensors.................................................................................................6-4
Solenoids ..............................................................................................6-5
Counters ...............................................................................................6-5
Others ...................................................................................................6-5
6.1.3 DRIVE LAYOUT ...............................................................................6-6
6.2 MASTER EJECT UNIT ..............................................................................6-7
6.2.1 OVERVIEW ......................................................................................6-7
Overview...............................................................................................6-7
Procedure .............................................................................................6-7
6.2.2 MASTER CLAMPER OPENING MECHANISM ................................6-8
Clamper Mechanism .............................................................................6-8
Notes ....................................................................................................6-8
6.2.3 MASTER EJECT ROLLER MECHANISM ........................................6-9
Mechanism ...........................................................................................6-9
Procedure .............................................................................................6-9
6.2.4 PRESSURE PLATE MECHANISM.................................................6-10
Mechanism .........................................................................................6-10
Procedure ...........................................................................................6-10
6.3 SCANNER UNIT......................................................................................6-11
6.3.1 OVERVIEW ....................................................................................6-11
6.3.2 SCANNER DRIVE ..........................................................................6-12
Full size mode.....................................................................................6-12
Reduction/enlargement modes ...........................................................6-12
SM
EACH SPEED FORWARD & BACKWARD).
C231/C237/C238/C248/C267
xi
Rev. 01/2006
5-20