Description: The IPU did not issue the signal required to start image rocessing for the printing mode.
Causes: • Software defective. Replace the software (all three firmware modules).
Code: SC955
Description: Memory Setting Error
Settings required for memory to start image processing are not sent from the IPU.
Causes: • Software defective. Replace the software (all three firmware modules).
Code: SC964
Description: Scanner start signal error
The scanner receives another start signal after scanning has already started.
Causes: • Software defective. Replace the software (all three firmware modules).
Code: SC965
Description: Print start signal error
The printer received another print start signal after print job has already started.
Causes: • Software defective. Replace the software (all three firmware modules).
Code: SC980
Description: HDD access error
Incorrect parameter sent to the HDC (hard disk controller chip mounted on the IPU) from the BICU.
Causes: • Software defective. Replace the software (all three firmware modules). • MCU defective
Code: SC981
Description: HDD response error
No response from the hard disk within 5 s after the BICU chip on the main board sent read/write commands to the HDD controller.
Causes: • Software defective. Replace the software (all three firmware modules). • HDD defective or poor connection due to vibration