Service manual

09/09 Rev. 5.02-02 SERVICE MANUAL Service Electronics
AP 4.4 – AP 5.4 – AP 7.t
10
Lithium Battery
The CPU board used in the AP5.4 is equipped with a realtime clock, which
keeps its setting, if the printer is switched off. This is done by a lithium battery
on the board.
¯ The battery is not rechargeable!
¯ The battery must be UL-listed!
Battery type Panasonic CR2032 or an equivalent battery type.
Specifications
Battery
replacement
1. Switch off the printer. Disconnect the power cord.
2. Take off the rear hood.
¯ Prior to installation of the new battery: wipe the battery
and the equipement terminal clean using a dry cloth.
¯ Ensure, that dust and other foreign substances will not
cause shorting between the poles.
¯ When handling batteries, wear finger covers or gloves
made of rubber, cotton, etc. to protect the battery from dirt.
3. Take used battery out of the socket; insert the new
battery.
¯ Take care of the correct polarity (see fig. right)!
4. Reassemble the rear hood.
5. Reconnect the printer to the mains and switch it on.
6. Set time and date (
SYSTEM PARAMETER > Realtime clock).
WARNING!
Danger of explosion if battery is incorrectly replaced.
« Replace only with the same or equivalent type recommended by the manu-
facturer.
« Take care of the correct polarity when replacing the battery.
« Discard used batteries according to the manufacturer´s instructions.
AVERTISSEMENT!
Il y a danger d´explosion s´il y a remplacement incorrect de la batterie.
« Remplacer uniquement avec une batterie du même type ou d´un type re-
commendé par le constructeur.
« Mettre au rébut les batteries conformément aux instructions du fabricant.
Nominal voltage 3 V
Nominal capacity 220 mAh
Continous standard load 0.2 A
Operating temperature -30 to +60 °C
Max. abnormal charging current 5.0 mA
[Tab. 1] Battery type CR2032 - specifications and dimensions.