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Logical page descriptor (lpd) – Compuprint 4247-Z03 Programmer Manual User Manual

Page 131

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2. The printer receives a Begin Suppression control (inside a Write Text command) with a suppression ID

that matches a value in the LCC command.

3. All subsequent text data does not print (text suppression), until the printer receives an End

Suppression control (inside a Write Text command) with the same ID.

4. All text data received after the End Suppression control prints normally.

Overlay ID allows later processing of specified overlays. The first byte of the keyword, E1, specifies this
keyword as overlay. The second byte of the keyword specifies an overlay identifier. Valid overlay ID values
are 01 to FE. An overlay processes as follows:

1. The LCC command specifies one or more overlay ID values. (Each ID must begin with the keyword -

E1.)

2. The previously stored overlay with this specified identifier merges onto the following page at its

reference corner.

Logical Page Descriptor (LPD)

Length

D6CF

Flag

Correlation ID (Optional)

DATA

This command establishes the print characteristics for the logical page. The Logical Page Descriptor
command is only valid in the home state. See “Set Media Size (SMS)” on page 115 for physical medium
size information.

The format of the data field (DATA) for this command is:

Decimal

Hex

Value

Description

0

0

00

Units Base Value Equals 10 in.

1

1

00

Reserved

2-3

2-3

05AD-7FFF

X Units Per Unit Base Value

4-5

4-5

05A0-7FFF

Y Units Per Unit Base Value

6

6

00

Reserved

7-9

7-9

000001 -
007FFF (See
Note 1)

Width of Page in Units

10

A

00

Reserved

11-13

B-D

000001 -
007FFF (See
Note 1)

Length of Page in Units

14

E

00

Reserved

15

F

Ordered Page Flag (See Note 2)

Bit 0

Bit 0

0

Unordered Page

1

Ordered Page

Bits 1-7

Bits 1-7

Reserved

16-17

10-11

0000

Reserved

18-21

12-15

00000000

Reserved

22-23

16-17

0000

Reserved

Chapter 4. IPDS Programming Information

111

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