Self Diagnosis; Copier; Xi. Self Diagnosis - Canon GP200 Service Manual
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XI. SELF DIAGNOSIS
The machine is equipped with a self diagnostic mechanism that checks its condition (sensors, in par-
ticular) and indicates a code on the control panel upon detection of an error.
A. Copier
Code
E000
E001
E002
COPYRIGHT © 1996 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
Main cause
The fixing temperature fails to rise.
• Thermistor (TH1; poor contact,
open circuit)
• Heater driver (faulty)
• DC controller PCB
The fixing temperature rises
abnormally.
• Thermistor (TH1, TH2; short cir-
cuit)
• DC controller PCB (faulty)
The fixing temperature fails to
reach a specific value.
• Thermistor (TH1, TH2; off con-
tact, poor contact, open circuit)
• Fixing heater (open circuit;
cracking)
• Fixing heater drive circuit
(faulty)
CANON GP215/200 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. OPERATIONS AND TIMING
Description
• The main thermistor (TH1) detects less
than 50°C for 200 ms 1 sec after voltage
has been applied to the heater.
• The main thermistor (TH1) detects less
than 90°C for 200 ms 2 sec after voltage
has been applied to the heater.
• The sub thermistor (TH2) detects less
than 90°C for 200 ms 4 sec after voltage
has been applied to the heater.
• The main thermistor (TH1) detects more
than 250°C for 200 ms during copying
operation.
• The sub thermistor (TH2) detects more
than 260°C for 200 ms during copying
operation.
• The main thermistor (TH1) detects a tem-
perature in excess of a specific tempera-
ture by 30°C or more for 200 ms during
copying operation.
• The thermistor (TH1, TH2) detects an
increase in temperature of 40°C or more
during standby.
• The main thermistor (TH1) detects an
increase in temperature of 100°C or more
in 1 sec.
• The main thermistor (TH1) detects in
increase in temperature of 100°C or more
in 1 sec.
• The main thermistor detected less than
105°C for 200 ms 1 sec after it has detect-
ed 90°C.
• The main thermistor (TH1) detected less
than 120°C for 200 ms 1 sec after it has
detected 105°C.
• The main thermistor detected less than
120°C for 200 ms after it has detected
105°C.
• The main thermistor (TH1) detects less
than 135°C for 200 ms 1 sec after it has
detected 120°C.
• The main thermistor (TH1) detects less
than 150°C for 200 ms 1 sec after it has
detected 135°C.
3–261
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