Ricoh M281 Series Service Manual page 500

Service Call 816-899
No. Type
SC817-00 D
No. Type
SC819-00 D
[0x5032]
D255/D256/M281/M282
Error Name/Error Condition/Major Cause/Solution
Monitor error: File detection / Digital signature error (MP 501/601
Only)

Bootloader cannot read any of diagnostic module, kernel, or
root filesystem.

In a bootloader SD card, the digital signature checking for
any of diagnostic module, kernel, or root filesystem is failed.

Any of the following items does not exist or is broken OS
Flash ROM, Diagnostic module in SD card, Kernel, Root
filesystem

Any of the following items is revised fraudulently: Diagnostic
module in SD card, Kernel, Root filesystem

ROM update for controller system

Use another booting SD card having a valid digital signature
Error Name/Error Condition/Major Cause/Solution
Kernel halt error
[xxxx]: Detailed error code
Due to a control error, a RAM overflow occurred during system
processing. One of the following messages was displayed on the
operation panel.
HAIC-P2 error
HAIC-P2 decompression error (An error occurred in the ASIC
compression/decompression module.)

The code data saved in the HDD was broken for an
unexpected reason. (HDD device defective)

The code data saved to memory was broken for an
unexpected reason. (Memory device defective)

ASIC defective

Data other than code data was unzipped due to a software
malfunction.
6-62 SM