Ricoh C231 Service Manual page 22

4. TROUBLESHOOTING ................................................................. 4-1
4.1 ERROR CODES........................................................................................4-1
4.2 ELECTRICAL COMPONENT DEFECTS ..................................................4-3
4.2.1 SENSORS ........................................................................................4-3
4.2.2 SWITCHES.......................................................................................4-4
4.2.3 LINES ...............................................................................................4-5
4.3 FUSE, LED, VR, DIP-SW, AND TP TABLES ............................................4-6
4.3.1 BLOWN FUSE CONDITIONS ..........................................................4-6
4.3.2 LED'S.............................................................................................4-6
4.3.3 VR'S...............................................................................................4-6
4.3.4 DIP SWITCHES................................................................................4-7
4.3.5 TEST POINTS ..................................................................................4-7
5. SERVICE TABLES....................................................................... 5-1
5.1 USING SERVICE PROGRAM MODES.....................................................5-1
5.1.1 ACCESSING SP MODES.................................................................5-1
Entering SP Mode.................................................................................5-1
Leaving SP Mode .................................................................................5-1
5.1.2 HOW TO SELECT A PROGRAM NUMBER.....................................5-2
5.2 MAIN MENU NO.1: COPY DATA ..............................................................5-3
5.2.1 SP TABLE ........................................................................................5-3
5.2.2 SP1-70, 71: FIRMWARE/ROM SUFFIX INFORMATION .................5-4
5.2.3 SP1-80: ERROR CODE INFORMATION .........................................5-4
5.2.4 SP1-72: SERIAL NUMBER (SERVICE) SP1-75 (FACTORY) ..........5-5
5.3 MAIN MENU NO.2: BASIC SETTINGS .....................................................5-6
5.3.1 SP TABLE ........................................................................................5-6
5.3.2 SP2-41, 2-42: THERMAL HEAD ENERGY CONTROL ....................5-6
5.3.3 SP2-24: SLOW STARTING MODE ..................................................5-6
5.3.4 SP2-33: RE-FEEDING......................................................................5-7
5.4 MAIN MENU NO.3: SYSTEM SETTINGS .................................................5-8
5.4.1 SP TABLE ........................................................................................5-8
5.4.2 SP3-1: INPUT THE PRESENT TIME ...............................................5-8
5.4.3 SP3-3: INPUT SERIAL NUMBER ON SP1-72 .................................5-9
5.5 MAIN MENU NO.4: INPUT MODE ..........................................................5-10
5.5.1 SP TABLE ......................................................................................5-10
5.5.2 SP4-45: PAPER SIZE DISPLAY ....................................................5-10
5.6 MAIN MENU NO.5: OUTPUT MODE ......................................................5-11
5.6.1 SP TABLE ......................................................................................5-11
5.7 MAIN MENU NO.6: ADJUSTMENT.........................................................5-12
5.7.1 SP TABLE ......................................................................................5-12
5.7.2 SP6-40: INK DETECTION ADJUSTMENT .....................................5-12
5.7.3 IMAGE ADJUSTMENT (SP6-10, -21, -5, -3, AND -1).....................5-13
SP6-10: Master writing speed.............................................................5-13
SP6-21: Paper registration position ....................................................5-13
SP6-05: Scanning speed - platen .......................................................5-14
SP6-06: Scanning speed - ADF..........................................................5-14
SP6-03: Scanning start position - platen.............................................5-14
SP6-04: Scanning start position - ADF ...............................................5-14
SP6-01: Main scan position - platen ...................................................5-14
C231/C237/C238/C248/C267
x
Rev. 05/2003
SM