Service manual

COPYRIGHT © 2001 CANON INC. CANOSCAN D1230U/D2400U REV.0 MARCH 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5
TROUBLESHOOTING
I. INTRODUCTION .............................5-1
A. Initial Check ............................5-1
B. Others ......................................5-1
II. TROUBLESHOOTING
FLOWCHART .................................. 5-2
A. Power LED Failure ................... 5-2
B. Communication Failure ........... 5-3
III. PROBLEM, CAUSE AND
CORRECTIVE ACTION ...................5-4
A. Power LED Not Lighting ..........5-4
B. Communication Failure ........... 5-4
C. Scanning Unit Movement
Failure ...................................... 5-5
D. Poor Image Quality ................... 5-5
E. Acoustic Noise ......................... 5-5
IV. CANON SCANNER TEST .................. 5-6
A. Outline ..................................... 5-6
B. Operating Environment ........... 5-6
C. Functions ................................ 5-7
D. Functions Descriptions ........... 5-8
E. Error Message ........................ 5-16