Service manual

QMS 3260/4032 Laser Printer - Base Engine Technical Manual 10-147
Release Version 11-97
Removal and Replacement Procedures
RRP 9.8 QMS Video Controller (PL11.3)
Removal
1. Remove the an
y
interface cables from the connectors on the ESS Drawer Panel.
2. Loosen the two thumbscrews that secure the ESS Drawer Panel to the ESS Box.
3. Slide the ESS out of the ESS Box.
Wear an electrostatic wrist strap and use caution when working with the QMS Video Con-
troller. Static electricity can damage the sensitive electronics of the ESS.
Handle the QMS Video Controller by the edges of the PWB or by the Drawer Panel. Never
touch any of the ICs that are mounted on the PWB.
4. Place the QMS Video Controller and the attached Drawer Panel on a flat, non-conductive surface.
5. Remove the two nuts and four washers that secure the Drawer Panel to the interface plu
g
on the QMS
Video Controller.
6. Remove the three screws securin
g
the Drawer Panel to the QMS Video Controller, and remove the
Panel.
Replacement
1. Place the QMS Video Controller on a flat, non-conductive surface.
2. Position the Drawer Panel so the three le
g
s are under the QMS Video Controller and the interface plu
g
fits throu
g
h the cutout in the Panel.
3. Use two nuts and four washers, two per nut, to secure the Panel to the interface plu
g
.
4. Use three screws to secure the Drawin
g
Panel to the ESS.
5. Slide the ESS into the ESS Box.
6. Ti
g
hten the two thumbscrews that secure the ESS Drawer Panel to the ESS Box.
7. Reconnect the interface cables to the connectors on the Drawer Panel.