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Sharp MX-M356N Service Manual page 49

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Adjustment Item List
* RSPF original leading edge adjustment (front side)
* RSPF original off-center adjustment (front side)
* RSPF original sub-scan magnification adjustment
(front side)
8)
RSPF adjustment patterns are loaded into the RSPF.
(Set so that the pattern surface faces down.)
* By pressing the [REPRINT] key, you can return to the cas-
sette selection screen and have the machine self-print
RSPF adjustment patterns again.
9)
Press the [EXECUTE] key, and the machine starts loading
RSPF adjustment patterns (for the back side).
* The screen shows a message indicating that the machine is
reading RSPF adjustment patterns (for the back side).
The machine starts calculating the adjustment amount (for
the back side) after it has read the patterns for the back side.
After the machine has finished calculating the adjustment
amount for the back side, the next screen appears where
you can view the results of the adjustments.
Adjustment Item List
* RSPF original leading edge adjustment (back side)
* RSPF original off-center adjustment (back side)
* RSPF original sub-scan magnification adjustment
(back side)
10) The adjustment result screen appears.
This screen shows the current values along with the previous
values in parentheses.
* By pressing the [REPRINT] key, you can return to the cas-
sette selection screen and have the machine self-print
RSPF adjustment patterns (for the front and back sides)
again.
* To have the machine start re-reading the RSPF adjustment
patterns (front and back sides), press the [RESCAN] key.
* To return to the top menu without saving the adjustment val-
ues into EEPROM and RAM, press the [RETRY] key.
* To display the data used for adjustment, press the [DATA]
key.
11) To save the adjustment values into EEPROM and RAM and
return to the top menu, press the [OK] key.
* To return to the result screen, press the [BACK] key.
MX-M316N ADJUSTMENTS AND SETTINGS 5 – 9
ADJ 4
Scan image distortion
adjustment
(Document table mode)
This adjustment must be performed in the following cases:
* When the scanner (reading) section is disassembled.
* When the copy image is distorted.
4-A
Scanner (reading) unit parallelism
adjustment
Before execution of this adjustment, remove the document table
glass.
1)
Remove the lamp unit, and then loosen the screws which are
fixing the scanner unit A and the drive wire. Release the scan-
ner unit A from the drive wire.
2)
Turn the scanner drive pulley manually and shift the scanner
unit B to bring it into contact with the stopper.
When the scanner unit B is in contact with the two stoppers on
the front and the rear frames simultaneously, the parallelism is
proper.
If this requirement is not met, do the following steps.

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