Code :

Code: 001
Display: Service Call 001: Error
Description: A heavy trouble of the CU substrate (defective substrate or power supply capacity shortage) was detected.
Causes: Is the error display reproducible? Is the error display reproducible?

Code: 002 ... 007
Display: Service Call Power off/on nnn: Fatal Error PC: nnnnnnnn LR: nnnnnnnn FR: nnnnnnnn 002: Erro to 007: Error
Description: This stems from a variety of causes.For analyzing causes, record three numbers (called program counting value) indicated below LCD column and a printer firmware version. [Cause] Unmatched print data and printer FW Damaged EEPROM data Defect ROM DIMM or RAM DIMM Defect components etc. of CPU and ASIC Others Keep on an alyzing causes if an error still remains. Above mentioned to are likelihood of causes.
Causes: Record three digital numbers below LCD column. Restart with OFF/ON? Does an error occur in a particular print data? Is the error display reproducible? Is the error display reproducible? Is the error display reproducible?

Code: 020 ... 024
Display: Service Call 020: Error or 024: Error
Description: CU ROM Hash Check Error 1
Causes: Is the Slot A ROM DIMM mounted properly? Is operations restored by replacing the Slot A ROM DIMM?

Code: 031
Display: Service Call 031: Error
Description: CU Slot1 DIMM RAM Check Error
Causes: Is the applicable RAM DIMM mounted properly? Is operation restored by replacing the applicable RAM DIMM?

Code: 032
Display: Service Call 032: Error
Description: CU Slot2 DIMM RAM Check Error
Causes: Is the applicable RAM DIMM mounted properly? Is operation restored by replacing the applicable RAM DIMM?

Code: 036
Display: Service Call 036: Error
Description: Slot1 RAM Spec error Specification of DIMM in CU RAM slot is unsupported.
Causes: Is this a standard RAM DIMM? Is the applicable RAM DIMM difference mounted normal? Is operation restored by replacing the applicable RAM DIMM?

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