Hot Roller Temperature Adjustment; Idling Period Selection - Ricoh FT5540 Service Manual

4.10 Hot Roller Temperature Adjustment

When:
Purpose:
Target:
Measure:
How:
1. Set SP 49, and press the number keys to change the number indicated while checking the
copy quality.
2. Set SP 52 to check the hot roller temperature.

4.11 Idling Period Selection

When:
Purpose:
Target:
Measure:
How:
1. Select idling period with SP 61.
Unfused copy with thick paper or paper curl with thin paper cannot
be corrected by adjusting the fusing pressure.
To adjust for different paper thicknesses
Well fused copies without curl
SP 49 (from 175 to 190°C, 10°C/step)
Changes hot roller operating temperature.
The following cause unfused copies even after five minutes idling time.
1. Thick copy paper
2. A drop of more than 5% in the power supply
3. Room temperature lower than 15°C
To adjust for variations in paper thickness, power supply, or temperature
Well fused copies without curl
SP 61 (The idling period can be set at 5, 10, or 15 minutes.)
Changes initial hot roller operating temperature
5-35
31 August 1989