SC TABLE
B147/B149/B190 4-46
SM
SC No.
Item
Definition
Possible Cause
Related
SCs
Troubleshooting Procedure
Type
SC 824
[1401]
Self-diagnosis
error: Standard
NVRAM
The controller cannot
recognize the standard
NVRAM installed or detects
that the NVRAM is defective.
•
Loose connection
•
Defective standard
NVRAM
•
Defective controller
1. Turn the main switch off and on.
2. Check the standard NVRAM is firmly
inserted into the socket.
3. Replace the NVRAM.
4. Replace the controller.
CTL
SC 826
Self-diagnostic error: RTC [XXXX]: Detailed error code
[1501] Self-diagnostic
Error: RTC/
Optional
NVRAM
•
An RTC device is
recognized, and the
difference between the RTC
device and the CPU
exceeds the defined limit.
•
No RTC device is
recognized.
•
RTC defective
•
NVRAM without RTC
installed
•
Backup battery
discharged
1. Turn the main switch off and on.
2. Replace the NVRAM with another
NVRAM with an RTC device.
CTL
[15FF] Self-diagnostic
Error: RTC/
Optional
NVRAM
•
The RTC device is not
detected.
•
NVRAM without RTC
installed
•
Backup battery
discharged
1. Turn the main switch off and on.
2. Replace the NVRAM with another
NVRAM with an RTC device.
CTL
SC 827
Self-diagnostic error: Standard SDRAM DIMM [XXXX]: Detailed error code
[0201] Verification
error
Error detected during a
write/verify check for the
standard RAM (SDRAM
DIMM).
•
Loose connection
•
Defective SDRAM
DIMM
•
Defective controller
1. Turn the main switch off and on.
2. Replace the SDRAM DIMM.
3. Replace the controller.
CTL
[0202] Resident
memory error
The SPD values in all RAM
DIMM are incorrect or
unreadable.
•
Defective RAM DIMM
•
Defective SPD ROM
on RAM DIMM
•
Defective 12C bus
1. Replace the RAM DIMM.
CTL
SC 828
Self-diagnostic error : ROM [XXXX]: Detailed error code
[0101] Check
sum
error 1
The boot monitor and OS
program stored in the ROM
DIMM is checked. If the check
sum of the program is
incorrect, this SC code is
displayed.
•
Defective ROM DIMM
•
Defective controller
1. Turn the main switch on and off.
2. Replace the ROM DIMM
3. Replace the controller.
CTL
Summary of Contents for B147
Page 1: ...B147 B149 B190 SERVICE MANUAL 001892MIUMIU RICOH GROUP COMPANIES...
Page 2: ......
Page 3: ...B147 B149 B190 SERVICE MANUAL RICOH GROUP COMPANIES...
Page 4: ......
Page 5: ...B147 B149 B190 SERVICE MANUAL 001892MIU...
Page 6: ......
Page 8: ......
Page 10: ......
Page 12: ......
Page 26: ......
Page 30: ......
Page 32: ......
Page 33: ...INSTALLATION...
Page 34: ......
Page 105: ...PREVENTIVE MAINTENANCE...
Page 106: ......
Page 112: ......
Page 113: ...REPLACEMENT AND ADJUSTMENT...
Page 114: ......
Page 201: ...TROUBLESHOOTING...
Page 202: ......
Page 287: ...SERVICE TABLES...
Page 288: ......
Page 456: ......
Page 457: ...DETAILED DESCRIPTIONS...
Page 458: ......
Page 589: ...SPECIFICATIONS...
Page 590: ......
Page 607: ...AUTO REVERSE DOCUMENT FEEDER B597...
Page 608: ......
Page 610: ......
Page 634: ......
Page 635: ...ONE TRAY PAPER FEED UNIT B601...
Page 636: ......
Page 638: ......
Page 647: ...TWO TRAY PAPER FEED UNIT B598...
Page 648: ......
Page 650: ......
Page 659: ...LARGE CAPACITY TRAY B600...
Page 660: ......
Page 662: ......
Page 680: ......
Page 681: ...TWO TRAY FINISHER B599...
Page 682: ......
Page 714: ......
Page 715: ...BOOKLET FINISHER B602...
Page 716: ......
Page 720: ......
Page 729: ...STAPLER UNIT SM 9 B602 Booklet Fin isher B602 13 Timing belt A 14 Gear B x 1 B602R920 WMF A B...
Page 791: ...FAX OPTION TYPE 2238 B603...
Page 792: ......
Page 902: ......
Page 903: ...INTERNET FAX IFAX...
Page 904: ......
Page 950: ......
Page 951: ...DataOverwriteSecurity Unit Type A B694 01 Type B B692 01...
Page 952: ......
Page 954: ......
Page 958: ......
Page 980: ...TECHNICAL SERVICE BULLETINS...
Page 1066: ...FIRMWARE HISTORY...