Canon iR C6800 Series Service Manual page 288

Chapter 7
DC-CON
J1109A
M3
CL2
[1]
[2]
[3]
F-7-18
1 Video count
2 Result of detection by patch image read sensor
3 Result of detection by ATR sensor
PS4: ATR sensor
PS2: patch image read sensor
DC CON: DC controller
MN CON: main controller
E020 xx10:
the SGNL value for INIT control is lower than 62.
E020 xx11:
the REF value for INIT control at time of initial setup is lower than 62.
E020 xx12:
the SGNL value for INIT control at time of initial setup is 960 or higher.
E020 xx13:
the REF value for INIT control at time of initial setup is 960 or higher.
E020 xx81:
the P SENS P value at time of reading the background (drum surface) for patch detection is lower than 255.
E020 xx90:
the result of computation by patch reading for patch detection is lower than 16.
E020 xx91:
the result of computation by patch reading for patch detection is 1008 or higher.
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