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Contents of the ESC f (extended status) data block
Order of byte Data (in
hex)
Contents Explanation
1 02 STX code Header: indicates the beginning of the
data block
2 xx Status byte Byte: indicates the status of the scanner
3 00 33 bytes Byte counter: indicates the number of
bytes of status data
4 00
5 xx Scanner status ‘‘1’’ in bit 7 indicates a fatal scanner error
6 xx ADF status Bit 7: IST
Bit 6: EN
Bit 5: ERR
Bit 3: PE
Bit 2: PJ
Bit 1: OPN
7 xx Maximum area
(4 bytes)
Indicates maximum scanning area with
ADF
8 xx
9 xx
10 xx
11 xx T.P.U.
status
Bit 7: IST
Bit 6: EN
Bit 5: ERR
Bit 1: OPN
12 xx Maximum area
(4 bytes)
Indicates maximum scanning area with
Transparency Unit
13 xx
14 xx
15 xx
16−36 00 Reserved
(22 bytes)
Reserved bytes
IST: ’1’ indicates option is installed
EN: ’1’ indicates option is enabled (otherwise, it is disabled)
ERR: Logical OR of PE, PJ, and OPN
PE: ’1’ indicates paper empty
PJ: ’1’ indicates paper jam
OPN: ’1’ indicates cover open
Note:
The numerical value of the byte counter consists of two bytes, with the
lower byte preceding the higher byte.
Command Reference 3-11