VJ-1604  Maintenance Manual 7 Adjustment
7-45 Rev.-05
7.11.1 Jigs and Tools
The following jigs and tools are required for P_REAR sensor sensitivity adjustment.
• Test media: MF-3G (A4)
"8.4 Jigs and Tools" p.8-5
7.11.2 Adjustment Procedure
To adjust the P_REAR sensor, follow the steps below.
The adjustment parameters are as follows;
• HIGH level (with media): 216 to 226
• LOW level (without media): 0 to 80
1. Remove the board box cover 64.
"4.4.1 Opening Board Box 64" p.4-40
Start the self-diagnosis function before setting the test media. Otherwise, the suction fan does not
rotate and you cannot get correct setting value.
2. Start the system in self-diagnosis function mode.
"5.2.2 Starting Up" p.5-4
3. Select "Check 2: Test" from the self-diagnosis menu.
4. After confirming that the “Check 2: Test“ is displayed in the operation panel, set the test media on the
media base position and down the media hold lever to confirm that the suction fan starts rotating.
The suction fan will not rotate if the [Enter] key is pressed before setting the test media. Make sure
to press the [Enter] key after setting the test media.
5. Select "Test 4: Sensor" from the inspection menu.
6. Select "Sen 9: Paper Rear ??" from the sensor menu.