Ricoh B230 Service Manual

							Bit Switches 
SM 61 B786 
B786 
Fax Option 
Determines whether the e-mail addresses of the destinations that receive 
transmissions broadcasted using SMTP protocol are recorded in the Journal. 
For example: 
1st destination + Total number of destinations: 9 in the Journal indicates a 
broadcast to 9 destinations. 
0: Not recorded 
1: Recorded 
1 I-Fax Automatic  Re-dial 
Setting 
0: OFF 
1: ON Determines whether the I-fax automatically 
redials when an error occurs. 
2-7 Not Used 
 
I-fax Switch 06 - Not used (do not change the settings) [SP No. 1-102-007] 
I-fax Switch 07 - Not used (do not change the settings) [SP No. 1-102-008] 
 
I-fax Switch 08 [SP No. 1-102-009] 
No FUNCTION COMMENTS 
Memory Threshold for POP Mail Reception 
0-7 This setting determines the amount of SAF (Store and Forward) memory. (SAF 
stores fax messages to send later for transmission to more than one location, and 
also holds incoming messages if they cannot be printed.) When the amount of 
SAF memory available falls below this setting, mail can no longer be received; 
received mail is then stored on the mail server. 
00-FF (0 to 1024 KB: HEX) 
 
ƒ  The hexadecimal number you enter is multiplied by 4 KB to determine the 
amount of memory. 
 
I-fax Switch 09 [SP No. 1-102-010] 
No FUNCTION COMMENTS 
0-3 Not used  Do not change the settings 
4-7 Restrict TX Retries This setting determines the number of retries 
when connection and transmission fails due to 
errors.  
01-F (1-15 Hex) 
 
I-fax Switch 0A - Not used (do not change the settings) [SP No. 1-102-011] 
I-fax Switch 0B - Not used (do not change the settings) [SP No. 1-102-012]  
						

							Bit Switches 
B786 62  SM 
I-fax Switch 0C - Not used (do not change the settings) [SP No. 1-102-013] 
I-fax Switch 0D - Not used (do not change the settings) [SP No. 1-102-014] 
I-fax Switch 0E - Not used (do not change the settings) [SP No. 1-102-015] 
 
I-fax Switch 0F [SP No. 1-102-016] 
No FUNCTION COMMENTS 
Delivery Method for SMTP RX Files 
0 This setting determines whether files received with SMTP protocol are delivered or 
output immediately. 
0: Off. Files received via SMTP are output immediately without delivery. 
1: On. Files received via SMTP are delivered immediately to their destinations. 
1-7 Not used 
 
4.3.3 PRINTER SWITCHES 
Printer Switch 00 [SP No. 1-103-001] 
No FUNCTION COMMENTS 
0 Select page separation marks 
0: Off 
1: On 0: If a 2 page RX transmission is split, [*] is 
printed in the bottom right corner of the 1st page 
and only a [2] is printed in the upper right corner 
of the 2nd page. 
1: If a 2 page RX transmission is split into two 
pages, for example, [*] [2] is printed in the bottom 
right corner of the 1st page and only a [2] is 
printed in the upper right corner of the 2nd page. 
 
ƒ  This helps the user to identify pages that 
have been split because the size of the 
paper is smaller than the size of the 
document received. (When A5 is used to 
print an A4 size document, for example.) 
1 Repetition of data when the 
received page is longer than 
the printer paper 
0: Off 
1: On 1: Default. 10 mm of the trailing edge of the 
previous page are repeated at the top of the next 
page. 
0: The next page continues from where the 
previous page stopped without any repeated text. 
2 Prints the date and time on 
received fax messages 
0: Disabled 
1: Enabled This switch is only effective when user parameter 
02 - bit 2 (printing the received date and time on 
received fax messages) is enabled. 
1: The machine prints the received and printed 
date and time at the bottom of each received 
page.  
						

							Bit Switches 
SM 63 B786 
B786 
Fax Option 
3-7 Not used  Do not change the settings. 
 
Printer Switch 01 [SP No. 1-103-002] 
No FUNCTION COMMENTS 
0-2 Not used  Do not change the settings. 
3-4 Maximum print width used in 
the setup protocol 
Bit 4: 0, Bit 3: 0 = Not used 
Bit 4: 0, Bit 3: 1 = A3 
Bit 4: 1, Bit 3: 0 = B4 
Bit 4: 1, Bit 3: 1 = A4 These bits are only effective when bit 7 of printer 
switch 01 is “1”. 
5-6 Not used  Do not change the settings. 
7 Received message width 
restriction in the protocol 
signal to the sender 
0: Disabled 
1: Enabled 0: The machine informs the transmitting machine 
of the print width depending on the paper size 
available from the paper feed stations. 
Refer to the table on the next page for how the 
machine chooses the paper width used in the 
setup protocol (NSF/DIS). 
1: The machine informs the transmitting machine 
of the fixed paper width which is specified by bits 
3 and 4 above. 
 
Printer Switch 02 [SP No. 1-103-003] 
No FUNCTION COMMENTS 
0 1st paper feed station usage 
for fax printing 
0: Enabled 
1: Disabled 
1 2nd paper feed station usage 
for fax printing 
0: Enabled 
1: Disabled 
2 3rd paper feed station usage 
for fax printing 
0: Enabled 
1: Disabled 
3 4th paper feed station usage 
for fax printing 
0: Enabled 
1: Disabled 
4 LCT usage for fax printing 
0: Enabled 0: The paper feed station can be used to print fax 
messages and reports. 
1: The specified paper feed station will not be 
used for printing fax messages and reports. 
 
ƒ  Do not disable usage for a paper feed 
station which has been specified by User 
Parameter Switch 0F (15), or which is 
used for the Specified Cassette Selection 
feature.  
						

							Bit Switches 
B786 64  SM 
1: Disabled 
5-7 Not used  Do not change the settings. 
 
Printer Switch 03 [SP No. 1-103-004] 
No FUNCTION COMMENTS 
0 Length reduction of received 
data 
0: Disabled 
1: Enabled 0: Incoming pages are printed without length 
reduction. 
(Page separation threshold: Printer Switch 03, bits 
4 to 7) 
1: Incoming page length is reduced when printing. 
(Maximum reducible length: Printer Switches 04, 
bits 0 to 4) 
1-3  Not used  Do not change the settings 
4-7 Page separation setting when 
sub scan compression is 
forbidden 
00-0F (0-15 mm: Hex) 
Default: 6 mm Page separation threshold (with reduction 
disabled with switch 03-0 above).  
For example, if this setting is set to 10, and A4 is 
the selected paper size: 
If the received document is 10 mm or less longer 
than A4, then the 10 mm are cut and only 1 page 
prints. 
If the received document is 10 mm longer than 
A4, then the document is split into 2 pages. 
 
Printer Switch 04 
SP No. 1-103-005 
No FUNCTION COMMENTS 
Maximum reducible length when length reduction is enabled with switch 03-0 
above. 
 =  + (N x 5mm) 
“N” is the decimal value of the binary setting of bits 0 to 4. 
Bit 4  Bit 3  Bit 2  Bit 1  Bit 0  Setting 
0 0 0 0 0 0 mm 
0 0 0 0 1 5 mm 
0 0 1 0 0 20 mm 
1 1 1 1 1 155 mm 
0-4 
For A5 sideways and B5 sideways paper 
 =  + 0.75 x (N x 5mm) 
5-6 Length of the duplicated image on the next page, when page separation has taken 
place.  
						

							Bit Switches 
SM 65 B786 
B786 
Fax Option 
Bit 6: 0, Bit 5: 0 = 4 mm 
Bit 6: 1, Bit 5: 0 = 10 mm 
Bit 6: 0, Bit 5: 1 = 15 mm 
Bit 6: 1, Bit 5: 1 = Not used  
7 Not used.  Do not change the setting. 
 
Printer Switch 05 - Not used (do not change the settings) 
 
Printer Switch 06 [SP No. 1-103-007] 
No FUNCTION COMMENTS 
0 Printing while a paper 
cassette is pulled out, when 
the Just Size Printing feature 
is enabled. 
0: Printing will not start 
1: Printing will start if another 
cassette has a suitable size of 
paper, based on the paper 
size selection priority tables. Cross reference 
Just size printing on/off – User switch 05, bit 5 
1-7 Not used.  Do not change the settings. 
 
Printer Switch 07 [SP No. 1-103-008] 
No FUNCTION COMMENTS 
0-3 Not used.  Do not change the settings. 
4 List of destinations in the 
Communication Failure 
Report for broadcasting 
0: All  destinations 
1: Only destinations where 
communication failure 
occurred  1: Only destinations where communication failure 
occurred are printed on the Communication 
Failure Report. 
5-7 Not used.  Do not change the settings. 
 
Printer Switch 08 - Not used (do not change the settings) 
Printer Switch 09 - Not used (do not change the settings) 
Printer Switch 0A - Not used (do not change the settings) 
 
Printer Switch 0B - Not used (do not change the settings)  
						

							Bit Switches 
B786 66  SM 
Printer Switch 0C - Not used (do not change the settings) 
Printer Switch 0D - Not used (do not change the settings) 
 
Printer Switch 0E [SP No. 1-103-015] 
No FUNCTION COMMENTS 
0 Paper size selection priority 
0: Width 
1: Length 0: A paper size that has the same width as the 
received data is selected first. 
1: A paper size which has enough length to print all 
the received lines without reduction is selected first.
1 Paper size selected for 
printing A4 width fax data 
0: 8.5 x 11 size 
1: A4  size This switch determines which paper size is 
selected for printing A4 width fax data, when the 
machine has both A4 and 8.5 x 11 size paper. 
2 Page separation 
0: Enabled 
1: Disabled  1: If all paper sizes in the machine require page 
separation to print a received fax message, the 
machine does not print the message (Substitute 
Reception is used). 
After a larger size of paper is set in a cassette, the 
machine automatically prints the fax message. 
3-4 Printing the sample image on 
reports 
Bit 4: 0, Bit 3: 0  
= The upper half only 
Bit 4: 0, Bit 3: 1 
= 50% reduction in sub-scan 
only 
Bit 4: 1, Bit 3: 0 
= Same size 
Bit 4: 1, Bit 3: 1  
= Not used “Same size” means the sample image is printed at 
100%, even if page separation occurs. 
User Parameter Switch 19 (13H) bit 4 must be set 
to “0” to enable this switch. 
Refer to Detailed Section Descriptions for more on 
this feature. 
5-6 Not used  Do not change the settings. 
7 Equalizing the reduction ratio 
among separated pages 
(Page Separation) 
0: Enabled 
1: Disabled 0: When page separation has taken place, all the 
pages are reduced with the same reduction ratio. 
1: Only the last page is reduced to fit the selected 
paper size when page separation has taken place. 
Other pages are printed without reduction. 
 
Printer Switch 0F [SP No. 1-103-016] 
No FUNCTION COMMENTS 
0-1 Smoothing feature 
Bit 1: 0 Bit 0: 0 = Disabled 
Bit 1: 0 Bit 0: 1 = Disabled 
Bit 1: 1 Bit 0: 0 = Enabled (0, 0) (0, 1): Disable smoothing if the machine 
receives halftone images from other 
manufacturers fax machines frequently.  
						

							Bit Switches 
SM 67 B786 
B786 
Fax Option 
Bit 1: 1 Bit 0: 1 = Not used 
2 Duplex printing 
0: Disabled 
1: Enabled 1: The machine always prints received fax 
messages in duplex printing mode: 
3 Binding direction for Duplex 
printing 
0: Left binding 
1: Top binding 0: Sets the binding for the left edge of the stack. 
1: Sets the binding for the top of the stack. 
4-7 Not used  Do not change the settings. 
 
4.3.4 COMMUNICATION SWITCHES 
Communication Switch 00 [SP No. 1-104-001] 
No FUNCTION COMMENTS 
0-1 Compression modes available 
in receive mode 
Bit 1: 0 Bit 0: 0 = MH only 
Bit 1: 0 Bit 0: 1 = MH/MR 
Bit 1: 1 Bit 0: 0 = 
MH/MR/MMR 
Bit 1: 1 Bit 0: 1  
= MH/MR/MMR/JBIG These bits determine the compression capabilities 
to be declared in phase B (handshaking) of the 
T.30 protocol. 
2-3 Compression modes available 
in transmit mode 
Bit 3: 0 Bit 2: 0 = MH only 
Bit 3: 0 Bit 2: 1 = MH/MR 
Bit 3: 1 Bit 2: 0 = 
MH/MR/MMR 
Bit 3: 1 Bit 2: 1  
= MH/MR/MMR/JBIG These bits determine the compression capabilities 
to be used in the transmission and to be declared 
in phase B (handshaking) of the T.30 protocol. 
4 Not used  Do not change the settings. 
5 JBIG compression method: 
Reception 
0: Only basic supported 
1: Basic and optional both 
supported Change the setting when communication 
problems occur using JBIG compression. 
6 JBIG compression method: 
Transmission 
0: Basic mode priority 
1: Optional mode priority Change the setting when communication 
problems occur using JBIG compression. 
7 Not used  Do not change the settings. 
  
						

							Bit Switches 
B786 68  SM 
Communication Switch 01 [SP No. 1-104-002] 
No FUNCTION COMMENTS 
0 ECM 
0: Off 1: On  If this bit is set to 0, ECM is switched off for all 
communications. 
In addition, V.8 protocol and JBIG compression 
are switched off automatically. 
1 Not used  Do not change the settings. 
2-3 Wrong connection prevention 
method 
Bit 3: 0, Bit 2: 0 = None 
Bit 3: 0, Bit 2: 1 = 8 digit CSI 
Bit 3: 1, Bit 2: 0 = 4 digit CSI 
Bit 3: 1, Bit 2: 1 = CSI/RTI (0,1) - The machine will disconnect the line 
without sending a fax message, if the last 8 digits 
of the received CSI do not match the last 8 digits 
of the dialed telephone number. This does not 
work when manually dialed. 
(1,0) - The same as above, except that only the 
last 4 digits are compared. 
(1,1) - The machine will disconnect the line 
without sending a fax message, if the other end 
does not identify itself with an RTI or CSI. 
(0,0) - Nothing is checked; transmission will 
always go ahead. 
 
ƒ  This function does not work when dialing 
is done from the external telephone. 
4-5 Not used  Do not change the setting. 
6-7 Maximum printable page 
length available 
Bit 7: 0 Bit 6: 0 = No limit 
Bit 7: 0 Bit 6: 1 = B4 (364 mm)
Bit 7: 1 Bit 6: 0 = A4 (297 mm) 
Bit 7: 1 Bit 6: 1 = Not used The setting determined by these bits is informed 
to the transmitting terminal in the pre-message 
protocol exchange (in the DIS/NSF frames). 
 
Communication Switch 02 [SP No. 1-104-003] 
No FUNCTION COMMENTS 
If there are more consecutive error lines in the 
received page than the threshold, the machine will 
send a negative response. The Low and High 
threshold values depend on the sub-scan 
resolution, and are as follows. 
100 dpi 
6(L)  12(H) 
200 dpi 
12(L)  24(H) 
300 dpi 
18(L)  36(H) 
0 G3 Burst error threshold 
0: Low 1: High 
400 dpi 
24(L) 
 48(H)  
						

							Bit Switches 
SM 69 B786 
B786 
Fax Option 1 Acceptable total error line ratio
0: 5% 1: 10% If the error line ratio for a page exceeds the 
acceptable ratio, RTN will be sent to the other 
end. 
2 Treatment of pages received 
with errors during G3 
reception 
0: Deleted from memory 
without printing 
1: Printed 0: Pages received with errors are not printed. 
3 Hang-up decision when a 
negative code (RTN or PIN) is 
received during G3 immediate 
transmission 
0: No hang-up, 1: Hang-up 0: The next page will be sent even if RTN or PIN 
is received. 
1: The machine will send DCN and hang up if it 
receives RTN or PIN. 
This bit is ignored for memory transmissions or if 
ECM is being used. 
4-7 Not used  Do not change the settings. 
 
Communication Switch 03 [SP No. 1-104-004] 
No FUNCTION COMMENTS 
0-7 Maximum number of page 
retransmissions in a G3 
memory transmission 00 - FF (Hex) times. 
This setting is not used if ECM is switched on. 
Default setting - 03(H) 
 
Communication Switch 04 - Not used (do not change the settings) 
Communication Switch 05 - Not used (do not change the settings) 
Communication Switch 06 - Not used (do not change the settings) 
Communication Switch 07 - Not used (do not change the settings) 
Communication Switch 08 - Not used (do not change the settings) 
 
Communication Switch 09 [SP No. 1-104-010] 
No FUNCTION COMMENTS 
0-7  IP-Fax dial interval setting  Adjusts the interval of the I-fax dialing. 
The interval of I-fax dialing is calculated by 
following formula.  
[Interval time = specified value with this switch x 
0.2 msec] 
 
Communication Switch 0A [SP No. 1-104-011]  
						

							Bit Switches 
B786 70  SM 
No FUNCTION COMMENTS 
0 Point of resumption of 
memory transmission upon 
redialing 
0: From the error page 
1: From page 1 0: The transmission begins from the page where 
transmission failed the previous time. 
1: Transmission begins from the first page, using 
normal memory transmission. 
1-7 Not used  Do not change the settings. 
 
Communication Switch 0B - Not used (do not change the settings) 
Communication Switch 0C - Not used (do not change the settings) 
 
Communication Switch 0D [SP No. 1-104-014] 
No FUNCTION COMMENTS 
0-7 The available memory 
threshold, below which ringing 
detection (and therefore 
reception into memory) is 
disabled 00 to FF (Hex), unit = 4 kbytes 
(e.g., 06(H) = 24 kbytes) 
One page is about 24 kbytes. 
The machine refers to this setting before each fax 
reception. If the amount of remaining memory is 
below this threshold, the machine cannot receive 
any fax messages. 
If this setting is kept at 0, the machine will detect 
ringing signals and go into receive mode even if 
there is no memory available. This will result in 
communication failure. 
 
Communication Switch 0E [SP No. 1-104-015] 
No FUNCTION COMMENTS 
0-7 Minimum interval between 
automatic dialing attempts 06 to FF (Hex), unit = 2 s 
(e.g., 06(H) = 12 s) 
This value is the minimum time that the machine 
waits before it dials the next destination. 
 
Communication Switch 0F – Not used (do not change the settings.) 
 
Communication Switch 10 [SP No. 1-104-017] 
No FUNCTION COMMENTS 
0-7 Memory transmission: 
Maximum number of dialing 
attempts to the same 01 – FE (Hex) times