Ricoh fe450 Service Manual
SERVICE MANUAL
PC-FAX EXPANDER TYPE 450
September 4th, 1998
Subject to change
TABLE OF CONTENTS
1. OVERALL INFORMATION .......................................................... 1-1
1.1 SPECIFICATIONS ....................................................................................1-1
1.2 FEATURES...............................................................................................1-1
2. DETAILED DESCRIPTIONS .......................................................2-1
2.1 AT COMMANDS AND RESPONSES........................................................2-1
2.1.1 Class 0 Commands..........................................................................2-1
2.1.2 Class 2 commands...........................................................................2-1
2.2 Class 2 FAX communication.....................................................................2-3
2.2.1 Direct transmission...........................................................................2-3
2.2.2 Memory transmission .......................................................................2-3
2.2.3 Direct reception................................................................................2-4
2.2.4 Memory reception.............................................................................2-4
2.3 SCANNING AND PRINTING.....................................................................2-5
2.3.1 SCANNING ......................................................................................2-5
2.3.2 PRINTING........................................................................................2-5
3. INSTALLA TION...........................................................................3-1
4. SERVICE TABLES AND PROCEDURES ...................................4-1
4.1 SERVICE MODE FUNCTIONS.................................................................4-1
4.1.1 PC Protocol DUMP List....................................................................4-1
4.2 Bit swicthes ...............................................................................................4-1
4.3 User PARAMETERS.................................................................................4-1
5. PARTS LIST................................................................................5-1
17 September 1998 SPECIFICATIONS
1. OVERALL INFORMATION
1.1 SPECIFICATIONS
Item Description
PC Fax Interface EIA/TIA Class 2
(Class 1 is not supported)
Host Interface Connector EIA/TIA RS232C
DB25 female connector
Scanner TWAIN interface
Maximum resolution: 200 x 200 dpi
1.2 FEATURES
q
Class 2 fax transmission directly from a host PC
(PC fax application required)
q
Class 2 fax transmission through SAF memory
(PC fax application required)
q
Class 2 fax reception directly to a host PC
(PC fax application required)
q
Class 2 fax reception through SAF memory
(PC fax application required)
q
Local printing from a PC fax application
(PC fax application required)
q
Local scanning from the machine’s scanner using TWAIN API
(CFM Twain driver required)
1-1
17 September 1998 AT COMMANDS AND RESPONSES
2. DETAILED DESCRIPTIONS
2.1 AT COMMANDS AND RESPONSES
2.1.1 CLASS 0 COMMANDS
Command Function Remarks
ATA Answer
ATD Dial
ATE Command echo
ATH Switch-hook control
ATI Identification
ATL Speaker volume
ATM Speaker control
ATP Set pulse dial as default
ATQ Result code display
ATS S register
ATT Set t o ne dial as default
ATV Result code form
ATX Extended result codes
ATZ Reset
AT&C DCD option
AT&D DTR option
AT&F Restore factory configuration
The machine returns OK,
but the function is not
supported.
The machine returns OK,
but the function is not
supported.
The machine returns OK,
but the function is not
supported.
2.1.2 CLASS 2 COMMANDS
Command Function Remarks
AT+FCLASS? Service class
AT+FMFR? Identify manufacturer The machine responds
AT+FLID Local ID string
AT+FBOR Phase C data bit order
AT+FCR Capability to receive The machine returns OK,
AT+FDCC DCE capability parameters
AT+FDIS Current session parameters
AT+FDT Data transmission
AT+FET T r ansmit page punctuation
AT+FDR Phase C receive data
AT+FMDL? Identify model
The machine responds “0”
or “2”.
“RICOH(NAD)”.
but the function is not
supported.
The machine responds
“PC-FAX EXPANDER
(NAD)”.
2-1
AT COMMANDS AND RESPONSES 17 September 1998
Command Function Remarks
AT+FREV? Identify revision
AT+FAA Adaptive answer
AT+FPHCTO Phase C timeout
AT+FECM ECM parameter
AT+FBUG
AT+FPTS Page transfer status
AT+FAXERR Fax error value
AT+FDCS Current session results
AT+FCQ Copy quality capability parameter The machine returns OK,
AT+FK Session termination
+FHNG Call termination with status
+FCON Facsimile connection response
+FCSI Report the CSI
+FTSI Report the TSI
+FCFR Indicate CFR
Session manager reporting
parameter
The machine responds
with FCU ROM version
and release date.
The machine returns OK,
but the function is not
supported.
The machine returns OK,
but the function is not
supported.
but the function is not
supported.
2-2
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