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COPYRIGHT © 1999 CANON INC.
CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 4 MAINTENANCE AND SERVICING
I.
PERIODICALLY REPLACED
PARTS ....................................... 4-1
II.
CONSUMABLES AND
DURABLES .................................. 4-1
III.
SCHEDULED SERVICING
CHART ....................................... 4-2
CHAPTER 5 TROUBLESHOOTING
APPENDIX
I.
STANDARDS AND ADJUST-
MENTS ....................................... 5-1
A. Mechanical System ............... 5-1
B. Electrical System ................... 5-4
II.
TROUBLESHOOTING ................ 5-9
A. Troubleshooting
Malfunctions ........................ 5-10
III.
ARRANGEMENT OF THE ELEC-
TRICAL PARTS ....................... 5-12
A. Motors, Solenoids, and
Sensors ............................... 5-12
B. PCBs ................................... 5-14
IV.
VARIABLE RESISTORS (VR),
LIGHT-EMITTING DIODES, AND
CHECK PINS BY PCB ............. 5-15
A. ADF Controller PCB ............ 5-15
B. Sensor PCBs ....................... 5-16
C. Indicator PCB ...................... 5-18
V.
SERVICE MODE AND DIP
SWITCH ................................... 5-19
A. Outline ................................. 5-19
B. Service Mode ....................... 5-20
C. Using the DIP Switch ........... 5-28
VI.
SELF DIAGNOSIS .................... 5-32
A. ADF Self Diagnosis ............. 5-32
A. GENERAL TIMING CHART ......... A-1
B.
SIGNALS AND
ABBREVIATIONS ...................... A-5
C.
GENERAL CIRCUIT
DIAGRAM .................................. A-7
D.
ADF CONTROLLER PCB ......... A-8
E.
PRE-REGISTRATION SENSOR
PCB ......................................... A-12
F.
REVERSAL OUTLET SENSOR
PCB ......................................... A-13
G.
ORIGINAL SET INDICATOR LED
PCB ......................................... A-15
H.
ORIGINAL SET SENSOR ....... A-17
I.
LAST ORIGINAL SENSOR ..... A-18
J.
SPECIAL TOOLS ..................... A-19
K.
SOLVENTS AND OILS ............ A-20