Canon imagePRESS C1 P, Service Manual, Page: 869 / 1265

Chapter 15
15-6
E020 Error in ATR
The last 2-digit of the detailed code indicates color.
xx=01:Y, xx=02:M, xx=03: C, xx=04:K, xx=05: L (imagePRESS C1+ only)
xx81 The detected value of the patch image read sensor's base (drum
surface) is less than the lower limit value (255).
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter
xx82 The detected value of the patch image read sensor is 30 or less. Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter
xx83 The detected value of the patch image read sensor is 90 or more. Turn off and then on the main power. Replace patch image read
sensor
xx84 The difference between the detected value of the base (drum
surface) of the patch image read sensor and the reference value of
the patch image read sensor is 30 or less.
Turn off and then on the main power. Replace patch-detecting
shutter.
xx85 At patch detection, the difference between the detected value of
the patch image read sensor and the reference value of the patch
image read sensor is 30 or less.
Turn off and then on the main power. Replace patch image read
sensor.
xx86 At patch detection, the difference between the detected value of
the patch image read sensor and the reference value of the base
(drum surface) of the patch image sensor is 30 or less.
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter.
xx87 The detected value of the patch image read sensor is 930 or more. Turn off and then on the main power. Replace patch image read
sensor.
xx88 At patch detection, the difference between the detected value of
the patch image read sensor (front side sensor) and the reference
value of the patch image read sensor is 30 or less.
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter.
xx89 At patch detection, the difference between the detected value of
the patch image read sensor (rear side sensor) and the reference
value of the patch image read sensor is 30 or less.
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter.
xx8A At patch detection, the difference between the detected value of
the patch image read sensor (front sensor) and the reference value
of the patch image read sensor is 90 or more.
Turn off and then on the main power. Replace patch image read
sensor.
xx8B At patch detection, the difference between the detected value of
the patch image read sensor (rear side sensor) and the reference
value of the patch image read sensor is 90 or more.
Turn off and then on the main power. Replace patch image read
sensor.
xx90 At patch detection, the computation result (Sig D) according to
patch reading is less than 16.
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter.
xx91 At patch detection, the computation result (Sig D) according to
patch reading is 880 or more.
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter.
xx92 At patch detection, the value (delta D) obtained from the
computation result (Sig D) of patch reading is -5.0% or less 3
times continuously
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter.
xx93 At patch detection, the value (delta D) obtained from the
computation result (Sig D) of patch reading is +5.0% or more 3
times continuously.
Turn off and then on the main power. Replace patch image read
sensor. Replace patch-detecting shutter.
xxC2 The variation in Sig value (average data) is 400 or more. Turn off and then on the main power. Replace patch sensor.
Replace patch-detecting shutter.
xxA0 The Sig value is less than 62 at ATR control. Turn off and then on the main power.
xxA1 The Ref value is less than 62 at ATR control. Turn off and then on the main power.
xxA2 The Sig value is 960 or more at ATR control. Turn off and then on the main power.
xxA3 The Ref value is 960 or more at ATR control. Turn off and then on the main power.
xxA8 The T/D ratio identified at ATR control has exceeded the upper
limit (14%) 3 times continuously.
Turn off and then on the main power.
xxA9 The T/D ratio identified at ATR control has underperformed the
lower limit (3%) 3 times continuously
Turn off and then on the main power.
xxC0 The variation in light Sig value is 100 or more in ATR control. Turn off and then on the main power.
xxC1 The variation in light Sig value is 100 or more in ATR control. Turn off and then on the main power.
xx10 The variation of Sig (initial data) is less than 62 at patch detection. Turn off and then on the main power. Replace patch sensor.
Replace patch-detecting shutter.
xx11 The variation of Sig (initial data) is 960 or more at patch detection. Turn off and then on the main power. Replace patch sensor.
Replace patch-detecting shutter.
xx12 The variation of Ref (initial data) is less than 62 at patch detection. Turn off and then on the main power. Replace patch sensor.
Replace patch-detecting shutter.
xx13 The variation of Ref (initial data) is 960 or more at patch detection. Turn off and then on the main power. Replace patch sensor.
Replace patch-detecting shutter.
xxDA The variation of Sig (initial data) is 100 or more at patch detection. Turn off and then on the main power.
xxDB The variation of Ref (initial data) is 100 or more at patch detection. Turn off and then on the main power.
E021 There is an error in the rotation of the developing assembly
0001 The developing rotary HP failed to be detected.
There is a fault in the developing rotary HP sensor or the wiring of
the DC controller PCB. Or the motor rotates outs of sync because
of poor torque by excess load on the developing assembly.
Clean the HP sensor. After replacing, turn off and then on the main
power.
0002 Error on developing rotary driver sequence (operation command
during rotary motor drive)
Turn off and then on the main power
E023 Error in developing motor
0001
Detects unlock of motor lock for 1 sec or more after the motor
performs stabilized rotation. Turn off, and then, on the main power
Code Cause (Detection Description) Remedy