Kodak 800 SERIES service manual Keypad Locked-Up or Not Functioning Properly, Noisy Operation

NovaJet 800 Series Service Manual

Table 4-1. Troubleshooting Table (cont).

Symptoms	Possible cause	Solution
	• defective encoder	clean encoder strip
	strip
	• bad MPWA	replace MPWA

Keypad Locked-Up or Not Functioning Properly

• firmware	1) reset printer
problem	2) refresh or up-
	grade firmware
	(while in continuous
	run state)
• keypad assembly	replace keypad
damaged	assembly
• faulty connection	reseat or replace
between MPWA	connector
and keypad
• bad MPWA	replace MPWA

Noisy Operation

• ink or paper	clean printer
debris in printer
• obstruction in	remove obstruction/
path of carriage	clean printer
• outirgger	replace outrigger
bushings worn	bushings

Troubleshooting 4-13