Ricoh DD5450 Field Service Manual page 308

Chapter 8 HELP Mode Function and Operation Procedures
3
HELP-005
DRUM SECTION
DRUM MASTER SENSOR ADJUSTMENT
080
.
1
10 :DRUM MASTER SENSOR
● Operation procedure
1. Call the HELP mode "H-005".
Check that the master is wound around the drum. Then enter
"005" by the NUMERIC keys and then press the PRINT key.
2. Change the screen.
Touch the arrow on the screen lower right twice to switch to
Page 3.
3.
Check operation.
● Press the MASTER MAKING key.
The drum stops at the drum master detected position (the drum
removal position), at the drum master undetected position (the
leather part at the screen back end) and below the drum master
sensor, in order.
Checking the sensor.
4.
Check the drum master sensor.
Adjustment
1. Enter the value by the NUMERIC keys or change the
value by the PRINT POSITION
Increasing the value : "MASTER PRESENT" value becomes smaller.
Decreasing the value : "MASTER PRESENT" value becomes larger.
► Reference value
Drum master sensor
Master present
Master not present
● Press the C (clear) key to return the set value to the default.
2. Press the
REFERENCE
● Normally, the adjustment value of the drum master sensor is 80 ± 10.
5.
→ Press the STOP key. The HELP mode selection display will reappear.
Step
306
(3) Adjusting/Checking the Drum Section
Page 3:
● Adjustment / Check
Drum master sensor
Range
15 or less
180 or more
X
= key to store all set values.
HELP-005
251 :DRUM MASTER SENSOR
HELP-005
keys.
(4 pages in total)
DRUM SECTION
DRUM: DRUM POSITION 1
1 :MAIN MOTOR ENCODER SENSOR
0 :DRUM POSITION 1 SENSOR
1 :DRUM POSITION 2 SENSOR
0 :DRUM SWITCH
1 :A4 DRUM SENSOR
Touch
0 :COUNTER DRUM DETECTION
1 :JOG SWITCH
1 :PAPER EJECT SWITCH
DRUM SECTION
DRUM MASTER SENSOR ADJUSTMENT
080
.
1
10 :DRUM MASTER SENSOR