Overall Troubleshooting

Start

Printer

fails to power up Yes correctly (power light

off)?

No

 

 

 

Light flashing,

Yes

 

flashing in unison?

 

No

 

Read “Solving Read

Power“TroubleshootingAdapter Problems”BatteryPackin thisand

chapterAC Operations”. in this chapter.

Read “Printer Light Indications” in this chapter.

A

Communication problem with the host?

No

Yes

Read

“Troubleshooting Communication Problems” in this chapter.

Paper load or

Yes

eject problems?

 

No

Fails the printer

Yes

self-test?

 

No

Goto A.

Read “Troubleshooting Paper Feed Operations” in this chapter.

Read “Self-Tests,”

“Troubleshooting

Print Cartridges,”

and “Printout

Missing Dots” in

this chapter.

Print quality related

problem?

No

Other problem?

No

Printer ok.

Yes

Yes

Read “Troubleshooting Print Quality” and “Troubleshooting Print Cartridges” in this chapter.

Define the problem as specifically as possible. Look in the table of contents for the most appropriate information for the defined problem.

Figure 5-1. Overall Troubleshooting

Problem Resolution 5-3

Page 66
Image 66
HP 400 manual Overall Troubleshooting