E020-0X81 Error Code Displaying Because Of An Open/Close Failure Of The Salt Sensor Shutter; E020-0124 Error Code - Canon iR C3200 Series Service Manual

Chapter 16
Field Remedy
* E020-0xB0 detection timing
Reduced T/D ratio due to life of drum unit. Broken wire in ATR sensor.
If the toner container motor does not rotate and toner is not supplied to the drum unit, the toner in the drum unit
will gradually run out and the T/D ratio will get lower.
This can be checked in service mode COPIER > Display > DENS > DENS-Y/M/C/K. If the level is between -
3.0% and -4.0%, an error will be generated.
16.3.10.23 E020-0X81 Error Code Displaying because of an open/close failure of
the SALT sensor shutter
Symptom
SALT sensor open/ close failure caused E020-0X83
Description
E020-0x83 detection timing
When the ITB surface reflection ratio measurement value detected by the SALT sensor is extremely low.
Cause
Faulty detection because SALT sensor shutter does not open/close properly due to failure of service book cover
SALT sensor shutter open/close rod assembly not pressing home against the main unit, due to a loose screw in
the service book cover, or similar.
Field Remedy
Check for any play in the front cover. Check that the screws in the service book cover are properly tightened.

16.3.10.24 E020-0124 Error Code

Symptom
E020-0124 Error Code
Description
This error code is displayed when the density of a sample patch generated in ATR control is higher than the
specified value.
Cause
As a result of inspection, it was found that pins of the connectors connecting the pattern reader ass'y and the DC
controller PCB were bent, causing a malfunction.
Field Remedy
Check whether the pins of the connectors are straight.
16-134
0002-3334
0002-3480