3-6
3
Service Procedures
Checking connections
The most common causes of hardware problems are faulty or loose connections. Once
you conclude all external connections are good, check the internal connections.
T
O
CHECK
CONNECTIONS
1.
Before you touch any parts inside the copier, attach an ESD grounding wrist strap.
2.
Inspect internal ribbon cables to see if they are intact.
Faulty ribbon cables are easily overlooked. Check the contact point between the cable
and the connector to ensure that they have not separated. If a ribbon cable is suspect,
substitute it with a tested cable.
3.
Make sure that all GA-1121 cables and the DIMM(s) are properly aligned and well seated
on their GA-1121 connectors. For connector and DIMM socket locations on the GA-1121,
see Figure 3-4 on page 3-8.
4.
After tightening connections, if one or more GA-1121 components are still not getting
power, you may need to check the copier power supply.
