Konica Minolta bizhub C650 Service Manual page 584

Field Service Ver. 8.0 Jun. 2008
B. Compress / Decompression Check
Functions • To check whether compression and decompression are carried out properly.
Use • If the copy image is faulty.
Adjustment 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [State Confirmation] → [Memory / HDD Adj.] →
Procedure
[Compress / Decompression Check].
3. Pressing the Start key will automatically start to complete a compression/decom-
pression check sequence.
4. The check result will be displayed.
C. JPEG check
• This function is available only when the optional scan accelerator kit (SA-501) is
mounted.
Functions • This function enables you to check whether image data are compressed properly
through the scan accelerator kit (SA-501).
Use • When a copy image problem occurs, you can refer to JPEG check.
Adjustment 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [State Confirmation] → [Memory / HDD Adj.] →
Procedure
[JPEG check].
3. Pressing the Start key will automatically start to complete a JPEG check sequence.
4. The check result will be displayed.
D. Memory Bus Check
Functions • To check to see if image data is correctly transferred from scanner to memory, and
from memory to printer.
Use • If the copy image is faulty.
Adjustment 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [State Confirmation] → [Memory / HDD Adj.] →
Procedure
[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 automati-
cally.
5. The check result will be displayed, [OK] or [NG].
E. Work Memory In/Out Check
Functions • To check to see if input and output of image data of work memory are correctly per-
formed.
Use • If the print image is faulty.
Adjustment 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [State Confirmation] → [Memory / HDD Adj.] →
Procedure
[Work Memory In/Out Check].
3. Select either [Input Check], [Output Check], or both.
4. Pressing the Start key will start the work memory input/output operation check
sequence and be terminated automatically.
5. The check result will be displayed, [OK] or [NG].
10. Service Mode
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