Olivetti d-Color MF651 Service Manual page 685

Field Service Ver. 2.0 Jul. 2009
<3> After finishing work in New Release Disable mode
• When continuing to use the new unit used in the New Release Disable mode in the
same machine, turn OFF the new Release Disable mode and open and close the
lower front door (or turn OFF and ON the main power switch and sub power
switch) to perform New Release.
• To reinstall the previous unit used in the machine, open the lower front door, turn
OFF the New Release Disable mode, replace the new unit with the previous unit,
and close the lower front door (or turn the main power switch and sub power
switch OFF and ON).
In this case, perform Initialize + Image Stabilization, Gradation Adjustment, and
input of the previous Dmax density adjustment value in service mode. If these
adjustments are not performed, gradation reproducibility cannot be guaranteed.
• After temporarily using a new drum unit/K in the New Release Disable mode,
before reinstalling the previous drum unit/K, be sure to check the reading of the
drum unit/K life counter in [Service Mode]
Release is not performed on the new drum unit/K, i.e. the counter value have not
decreased.
There is no way to judge whether New Release is performed on the new drum unit/
K or not from the appearance of the unit. Checking the counter reading is neces-
sary to avoid bringing back the drum unit/K on which New Release is performed,
assuming that the drum unit/K remains new.
(2) Fusing unit alternative temperature control
• Condensation and dirt on the lens of the heating roller temperature sensor/1 disable
accurate temperature detection. To prevent this, this machine provides a control system
that detects condensation on the heating roller temperature sensor/1.
• When condensation is detected on the heating roller temperature sensor/1, the heating
roller temperature control depends on the temperature detected by the heating roller
thermistor/1 instead of the heating roller temperature sensor/1. (Alternative temperature
control)
• When a print job is sent during the alternative temperature control, temperature control
depends on this setting.
OFF: Prohibits print during alternative temperature control
ON: Allows print during alternative temperature control
• During alternative temperature control, printing productivity is reduced by 50 %.
<Procedure>
1. Touch [Service Mode]
2. Touch [4] and check the key is highlighted (ON state) in reverse video.
3. Touch [OK].
Y110571-1
[Counter]
[Enhanced Security]
Service Manual
13. ENHANCED SECURITY
[Life] to learn that New
[Engine FW DipSW].
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