Canon 1000 Service Manual page 740

7. TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS
Code
• Developing motor (faulty)
• DC controller PCB (faulty)
• Developing cylinder (rotation
failure)
E023
• Counter (open circuit)
• DC controller PCB (faulty)
E030
Data communication (error between
Copy Data Controller-A1 and
E032
copier)
7-304
COPYRIGHT © 2001 CANON INC.
Cause
CANON CLC1000/1000S/3100 REV.2 MAY 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Description
0101 The rotation speed of the Y developing
motor (M18Y) has deviated from a
specific value for 0.1 sec or more (PLL
signal '0').
0201 The rotation speed of the M developing
assembly (M18M) has deviated from a
specific value for 0.1 sec or more (PLL
signal '0').
0301 The rotation speed of the C developing
motor (M18C) has deviated from a
specific value for 0.1 sec or more (PLL
signal '0').
0401 The rotation speed of the Bk develop-
ing motor (M18Bk) has deviated from a
specific speed for 0.1 sec or more (PLL
signal '0').
Check immediately before the counter turns
ON and OFF.
(Normal if the counter drive signal is '0' when
the counter turns ON; normal if the counter
drive signal is '1' when the counter turns OFF.)
After the copier has generated the copy start
signal, count pulses have not been detected by
the data Controller-A1 within a specific period
of time.