Cut sheet feeder does not load paper correctly•The cut sheet feeder mode may not have been selected with the DIP switch.

•The position of the paper release lever may be wrong. Push the paper release lever back to the single sheet position.

•The cut sheet feeder may not be installed properly.•The paper supply may not be loaded properly

•The paper may not be the type required for proper operation of the cut sheet feeder.

•The paper set lever of the cut sheet feeder may not be pushed back.•The paper length may not be set correctly.•More than 150 sheets may be loaded. Remove the extra sheets.

See the section on the cut sheet feeder in Chapter 7 for more information on cut sheet feeder problems.

Data Dump Mode

The printer has a special feature to make it easy for experienced users to find the cause of communication problems between the printer and application programs. In data dump mode, an exact printout of the codes reaching the printer is produced.

1.To enter the data dump mode, hold down the FORM FEED and LINE FEED buttons at the same time while you turn on the printer.

2.Next, run either an application program or one you have written in any programming language. Your printer prints all the codes sent to the printer in hexadecimal format as shown below:

1B 4 0 1B 5 2 0 0

1B

7 4

0 1

1 2 1B

5 0 1B 7 0 0 0

. @ . R . . t . . 6 . . P . p .

2 0

2 0

5 4 6 8

6 9 7 3

2 0

 

61 6 E 2 0 6 5 7 8

6 1

T h i s i s a n e x a

6D 7 0 6 C 6 5 2 0 6 F

6 6 20

6 4

6 1 7 4 6 1

2 0 6 4

m p l e o f a d a t a d

7 5

6 D 7 0

2 0 7 0 7 2 6 9 6 E

7 5

7 4

2 E 2 0

5 4 6 8

u m p p r i n t o u t . T h

6 9 7 3

2 0 6 6 6 5

6 1

7 4

75

2 0 6 D 6 1 6 8

6 5 7 3

i s f e a t u r e m a k e s

O A 2 0 2 0

2 0

2 0 2 0 6 9

74

6 1 7 3 7 9 2 0

6 6

6 F

i t e a s y f o

Troubleshooting

6-5