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To protect the service life of the thermal head, use the following printing rate as a guideline; use the fixed split (6-split) method. 1. Continuous print of high-energy print only : 6 % or less 2. Mixed continuous print of low-energy and high-energy print : 30 % or less of the standard printing rate of 12.5 % 3. Printing rate per dot line : 50 % or less (3) Minimum dots for high-energy print When high-energy print is used, the recommended minimum area is 3 dots (length) . 3 dots (width) or more. Depending on the set printing density, the paper used, or the printing characters, a sufficient change of color tone may not be obtained even by high-energy print. (Characters such as [, !, ', (, i, -, font B with small dot matrix) It is recommended to use in such printing patterns as double-width characters, double-height characters, double-width and -height characters. CAUTIONS 1) If high-energy print is continuously carried out at a high operating ambient temperature, the thermal head will become hot more quickly and the protective circuit will be activated, to stop printing more frequently. Fully consider the working temperature and printing rate. 2) If a bar code is printed on the 2-color paper, both colors may appear in normal print and high-energy print, or the bar code may not be correctly read by a bar code reader. Be fully aware of this when using the 2color paper. 3) Do not perform high-energy print on the single-color paper (regular thermal paper). It may deteriorate the service life of the thermal head or the printing quality. 4) For setting, see Commands (DC3: Switching the Red/Black Printing). CBM-270 User’s Manual 5. DIP SWITCH SETTING 5.1 Location of DIP Switch 1. Turn off the power. 2. Detach the printer cover, and take out the paper roll. (The switch is found under the paper roll.) 3. There are 2 switches (8-pole and 4-pole) for the serial interface, and 1 switch (8-pole) for the parallel interface. 5.2 DIP Switch Function DS1 No. Function ON OFF Upon Shipment 1 PNE selection Enabled Disabled ON 2 CR switching LF operation Ignored OFF 3 ON 4 Print density See Table 1 OFF 5 Paper selection Label paper Thermal paper OFF 6 Auto-loading Enabled Disabled ON 7 DTR/DSR, XON/XOFF XON/XOFF DTR/DSR OFF 8 Kanji code selection S-JIS JIS OFF . DS1-7: Enabled only for the serial interface. Disabled for the parallel one. DS2 (For Serial Interface Only) No. Function ON OFF Upon Shipment 1 OFF 2 Baud rate and parity OFF 3 setting See Table 2 OFF 4 OFF Table 1 Light Standard Slitly Dark Dark DS1-3 OFF ON OFF ON DS1-4 OFF OFF ON ON Table 2 DS2-4 DS2-3 DS2-2 DS2-1 Parity Baud Rate OFF OFF OFF OFF None 9,600 bps OFF OFF OFF ON None 1,200 OFF OFF ON OFF None 2,400 OFF OFF ON ON None 4,800 OFF ON OFF OFF None 9,600 OFF ON OFF ON None 19,200 OFF ON ON OFF Odd 1,200 OFF ON ON ON Odd 2,400 ON OFF OFF OFF Odd 4,800 ON OFF OFF ON Odd 9,600 ON OFF ON OFF Odd 19,200 ON OFF ON ON Even 1,200 ON ON OFF OFF Even 2,400 ON ON OFF ON Even 4,800 ON ON ON OFF Even 9,600 ON ON ON ON Even 19,200 5.3 Jumper Wire Function The jumper wires have been set at shipment. The following lists the basic settings at shipment. Check the CBM-270 User’s Manual settings by performing self-printing. Jumper Wires No. Function Short Open Upon Shipment J1 Short J2 International character See Table 3 Short J3 Short J4 Data bit length 7 bits 8 bits Open J5 Unused - - Open J6 Label detection Black mark Label interval Open J7 Unused - - Open J8 Com munic ation error mar k Ignored "?" printed Open * J4: Serial interface only. Disabled for the parallel one. * J5~J7: Do not change the shipment settings. Table 3 No. USA France Germany U.K. Denmark-I Sweden Italy Japan J1 Short Open Short Open Short Open Short Open J2 Short Short Open Open Short Short Open Open J3 Short Short Short Short Open Open Open Open CAUTION: 1) Never change the settings of the jumper wires. 2) If you want to change their settings, consult us. 3) Never disassemble the printer body. It could cause trouble, etc. CBM-270 User’s Manual 6. PARALLEL INTERFACE 6.1 Specifications ·Data input system : 8-bit parallel (DATA1 to DATA8) ·Control signals : ACK, BUSY, STROBE, FAULT, PE, RESET ·Applicable connectors : Printer side : 57LE-40360 (Anphenol) or its equivalent Cable side : 57-30360 (Anphenol) or its equivalent 6.2 Connector's Pin Configuration No. Signal Name No. Signal Name 1 STROBE 19 TWISTED PAIR GND 2 DATA 1 20 3 DATA 2 21 4 DATA 3 22 5 DATA 4 23 6 DATA 5 24 7 DATA 6 25 8 DATA 7 26 9 DATA 8 27 10 ACK 28 11 BUSY 29 12 PE 30 13 + 5V DC 31 RESET 14 32 FAULT 15 33 GND 16 GND 34 17 FRAME GND 35 18 36 CBM-270 User’s Manual 6.3 Input and Output Signals 6.3.1 Input and Output Signals (1) Input signals to the printer ·DATA : 8-bit parallel signal (Positive logic) ·STROBE : Strobe signal to read the 8-bit data (Negative logic) ·RESET : Signal to reset the entire printer (Negative logic); 1 ms or more (2) Output signals from the printer ·ACK : 8-bit data request signal. A pulse si...