Konica Minolta bizhub C658 Service Manual page 965

bizhub C658/C558/C458/C368/C308/C258
▪ The check progress status display is automatically reset to 0% and restarted as soon as a new check sequence is
started.
• The detail check of all memories (one cycle) is completed in about 3 min.
• The press of the Stop key will terminate the detail check.
• If a write/read error is detected, NG appears beside the memory display and the check sequence is automatically terminated.
(b) Rough check procedure
1. Call the Service Mode to the screen.
2. Touch [State Confirmation] -> [Memory/Storage Adjustment] -> [Memory Check].
3. Touch [Rough Check].
4. Press the Start key to start the check procedure.
NOTE
▪ The rough check procedure can be interrupted by pressing the Stop key.
5. The procedure is automatically completed (in about 10 sec.) and the results are shown on the screen.
6. If the check results for WORK0 to 1 are NG, check the memory for connection or replace the memory with a new one.
• If the check results for FILE0 to 1 are NG, replace the MFP board with a new one.
• If the check results for FILE2 to 3 are NG, replace the EIF board for IC-416 with a new one.
• If the check results for FILE4 to 5 are NG, replace the dual scan image processing board with a new one. (only when dual scan
image processing board is mounted)
(c) Detail check procedure
1. Call the Service Mode to the screen.
2. Touch [State Confirmation] -> [Memory/Storage Adjustment] -> [Memory Bus Check].
3. Touch [Detail Check].
4. Press the Start key to start the detail check procedure.
• The check sequence is started and the current check progress status is displayed in percentage.
5. When the check progress status display is 100% after the start of the check sequence, the first check cycle is completed. (which takes
about 3 min.)
• The results are displayed on the screen. (The sequence has been checked okay, if NG does not appear.)
• The current check progress status display is associated with the latest check sequence.
NOTE
▪ If a write/read error is detected, NG appears beside the memory display and the check cycle is automatically
terminated.
6. Press the Stop key at any timing to terminate the detail check procedure.
7. If the check results for WORK0 to 1 are NG, check the memory for connection or replace the memory with a new one.
• If the check results for FILE0 to 1 are NG, replace the MFP board with a new one.
• If the check results for FILE2 to 3 are NG, replace the EIF board for IC-416 with a new one.
• If the check results for FILE4 to 5 are NG, replace the dual scan image processing board with a new one. (only when dual scan
image processing board is mounted)
(2) Compress / Decompression Check
(a) Use
• To check whether compression and decompression are carried out properly.
• If the copy image is faulty.
(b) Procedure
1. Call the Service Mode to the screen.
2. Touch [State Confirmation] -> [Memory/Storage Adjustment] -> [Compress/Decompression Check].
3. Press the Start key to start the check procedure.
4. The check result will be displayed.
(3) Memory Bus Check
(a) Use
• To check to see if image data is correctly transferred from scanner to memory, and from memory to printer.
• Bus check between scanner and memory has two steps; the scanner internal check step as internal processing and the check step
between scanner and memory. If either of the two steps is NG, NG1 or NG2 is displayed respectively.
• If the copy image is faulty.
(b) Procedure
1. Call the Service Mode to the screen.
2. Touch [State Confirmation] -> [Memory/Storage Adjustment] -> [Memory Bus Check].
3. Select either [Scanner -> Memory], [Memory -> PRT], or both.
4. Pressing the Start key will start the memory bus check and be terminated automatically.
5. The check result will be displayed, [OK] or [NG].
(4) DSC Bus Check
(a) Use
• To check the connection between the DSC board and the scanner section when optional security kit SC-508 is installed.
• When an error is detected after checking, NG1 or NG2 is displayed depending on the location of the board where the defect is found.
(b) Procedure
1. Call the Service Mode to the screen.
2. Touch [State Confirmation] -> [Memory/Storage Adjustment] -> [DSC Bus Check].
I ADJUSTMENT/SETTING > 5. SERVICE MODE
I-195