Fusing Transport Speed; Org. Size Detecting Sensor Adj - Konica Minolta bizhub C250 Service Manual

10. Service Mode
10.4.2

Fusing Transport Speed

Functions • To adjust the speed of the Fusing Drive Motor so as to match the fusing speed with
transport speed.
Use • Brush effect or blurred image is evident as a result of changes in environmental con-
ditions or degraded durability.
Variable
-2 % to +2 % (in 0.1 % increments)
Range
Adjustment If brush effect is evident, vary the setting value and check for image.
Instructions If a blurred image occurs, decrease the setting.
Setting/ 1. Call the Service Mode to the screen.
2. Touch these keys in this order: [Machine] → [Fusing Transport Speed].
Procedure
3. Select the transport speed, at which the brush effect or blurred image has occurred.
Transport speed
110 mm/s
55 mm/s
4. Enter the new setting from the 10-key pad.
5. Touch [END] to validate the adjustment value.
6. Check the copy image for any image problem.
10.4.3

Org. Size Detecting Sensor Adj.

Functions • To automatically adjust the original detection distance for the Original Size Sensor.
• To display if the Original Size Detecting Sensor/2 is mounted.
Use • When the sensor is replaced with a new one.
• When an optional sensor has been added.
• When an erroneous original size detection is made.
• When the marketing area setting is changed.
Adjustment If the adjustment has been successfully made, it completes the adjustment procedure.
Instructions If the adjustment has turned out to be unsuccessful, check the optional Original Size
Sensors for correct installation and change the defective sensor or harness.
Setting/ 1. Place a blank sheet of A3 or 11 × 17 paper on the Original Glass and lower the Orig-
Procedure inal Cover.
2. Call the Service Mode to the screen.
3. Touch these keys in this order: [Machine] → [Org. Size Detecting Sensor Adj.].
4. Press the Start key.
300
Paper Setting
Plain paper: monochrome/color
Thick paper, OHP film, Envelope, Postcard,
Labels: monochrome, color
Field Service Ver. 3.0 Aug. 2006