AR-M550 (serv.man14). (7) Settings and adjustments - Sharp Copying Equipment Service Manual (repair manual). Page 40

AR-M550/M620  SETTING AND ADJUSTMENTS  7 - 40

1) Using the numeric keypad, select the number that corresponds to

the mode for which to make adjustments.  (Choose from numbers
2 to 4.)

2) Press the Start key

3) Using the numeric keypad, select the number that corresponds to

the operation mode. 

4) Press the Start key. 

AE fix OFF: Density (exposure) is automatically controlled on a real
time basis. (The density level is dynamically changed according to the
original's pattern.)

AE fix ON: The density of the leading edge of the original is detected
and used to determine the overall density (exposure) level. (The over-
all density level is fixed.)

This adjustment is needed in the following situations: 

• Paper is jammed in or around the fusing section.

• Printed images are unclear or deflected in areas close to the paper's

leading and/or trailing edges.

Adjust the fusing paper guide position by loosening the fusing paper
guide fixing screws and the sliding the fusing paper guide in the arrow
direction.

Note that the fusing paper guide is fixed to the center by factory
default.

This adjustment is needed in the following situations: 

• The manual paper feed tray section has been disassembled. 

• The manual paper feed tray unit has been replaced. 

• U2 trouble has occurred. 

• The PCU PWB has been replaced. 

• The EEPROM on the PCU PWB has been replaced. 

1) Go through the modes specified in Simulation 40-2.

Select 4 and press [START] key.

Press [CUSTOM SETTINGS] key.

SIMULATION 40-2

BYPASS TRAY ADJUSTMENT. SELECT 1-4, AND PRESS START.

1. MAX. POSITION

2. POSITION 1

3. POSITION 2

4. MIN. POSITION

1

SIMULATION 40-2

BYPASS TRAY ADJUSTMENT.

MAX. POSITION ··· COMPLETE (or "ERROR")

Press [CUSTOM SETTINGS] key.

SIMULATION 40-2

BYPASS TRAY ADJUSTMENT.

POSITION 1 ··· COMPLETE (or "ERROR")

Select 1 and press [START] key.

SIMULATION 40-2

BYPASS TRAY ADJUSTMENT.

POSITION 2 ··· COMPLETE (or "ERROR")

Press [CUSTOM SETTINGS] key.

Press [CUSTOM SETTINGS] key. 

Select 2 and press [START] key.

Select 3 and press [START] key.

SIMULATION 40-2

BYPASS TRAY ADJUSTMENT.

MIN. POSITION ··· COMPLETE (or "ERROR")