Ricoh AD1FAX Service Manual fe250

SERVICE MANUAL

PC-FAX EXPANDER TYPE 250

February 9th, 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. INSTALLATION .............................................................................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 SWITCHES.........................................................................................4-1

4.3 USER PARAMETERS...............................................................................4-1

5. PARTS LIST...................................................................................5-1

25 February 1998 SPECIFICATIONS

1. OVERALL INFORMATION

1.1 SPECIFICATIONS

Item Description

PC Fax Interf ace EIA/TIA Class 2

(Class 1 is not supported)

Host Interface Connector EIA/TIA RS232C

DB25 female connector

Scan ner TWA IN interface

Maximum resolution: 200 x 200 dpi

1.2 FEATURES



Class 2 fax transmission directly from a host PC
(PC fax application required)



Class 2 fax transmission through SAF memory
(PC fax application required)



Class 2 fax reception directly to a host PC
(PC fax application required)



Class 2 fax reception through SAF memory
(PC fax application required)



Local printing from a PC fax application
(PC fax application required)



Local scanning from the machine’s scanner using TWAIN API
(CFM Twain driver required)

1-1

25 February 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 Comma nd 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 tone dial as default
ATV Result code form
ATX Extended result codes The machine returns OK,

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.

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? Ser vi ce c las s The machi ne r esp onds

“22”.

AT+FMFR? Identify manufacturer The machine responds

“RICOH(CF1)”.
AT+FLID Local ID string
AT+FBOR Phase C data bit order
AT+FCR Capability to receive The machine returns OK,

but the function is not

supported.
AT+FDCC DCE capability parameters

AT+FDI S Current ses sion param et er s
AT+FDT Data transmission
AT+FET Transm it page punctua t ion
AT+FDR Phase C receive data
AT+FMDL? Identify model The machine responds

“PC-FAX EXPANDER

(CF1)”.

2-1