| ReturnTo Theme-Group-Choice | Onelevelup |
| 2C068 | IMPRESSION-TRANSFER MATERIALS AND HANDLING THEREOF | |
| B41J17/00 -17/42;27/00-27/22;31/00-35/38@Z | ||
| B41J17/00-17/42;31/00-35/38 | AA | AA00 TYPE OR APPEARANCE OF IMPRESSION-TRANSFER MATERIAL |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | |
| . being narrow in width e.g. ink ribbons | . being page-width e.g. ink sheets | . having other shapes | . for impact printer | . for thermal printer | . . Thermal transfer | . . Electrosensitive transfer | . . Sublimation transfer | . for other printers e.g. magnetic or electrostatic force | ||||
| AA11 | AA12 | AA13 | AA15 | AA16 | AA17 | AA18 | AA20 | |||||
| . Endless ribbons | . . Seamless ribbons | . . Moebius bands | . Single-use | . Repeated-use | . . Repeated-strike | . . by re-coating | . Tape used for erasing impressions | |||||
| AA21 | AA22 | AA23 | ||||||||||
| . combined with layers having other functions | . . Block patterns | . . Stripe patterns | ||||||||||
| B41J17/00;31/00-31/12 | BB | BB00 LAYER STRUCTURE OF IMPRESSION-TRANSFER MATERIAL |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 |
| . Main functional layers | . . Ink support layers | . . . impregnated with ink | . . . not impregnated with ink | . . . Materials of ink support layers * | . . . . Woven fabric | . . . . Non-woven fabric | . . . . Resin films | . . . . . Films with roughened surfaces | . . . . Thin metal plates | |||
| BB11 | BB12 | BB13 | BB14 | BB16 | BB17 | BB18 | BB19 | |||||
| . . . . Paper | . . . . made of natural materials | . . . . Combinations of different types of materials | . . without ink support layers i.e. ink per se | . . Sponge structures | . . Muriform structures | . . A plurality of main functional layers | . . . Interposed layers | |||||
| BB21 | BB22 | BB23 | BB25 | BB26 | BB27 | BB28 | ||||||
| . Layers facing heads i.e. back-surface layers * | . . Back-coating layers | . . Back-surface appended films | . Undercoat layers * | . . Adhesive layers | . . Peel-off layers | . . Conductive layers | ||||||
| BB31 | BB32 | BB33 | BB34 | |||||||||
| . Surface layers * | . . Porous layers | . . Adhesive layers | . . Peel-off layers | |||||||||
| BC | BC00 MATERIAL OR PROPERTY OF IMPRESSION-TRANSFER MATERIAL * |
BC01 | BC02 | BC03 | BC04 | BC05 | ||||||
| . Overall property of ink | . . Liquids at room-temperature | . . Solids at room-temperature | . . . containing liquid ink | . . Powders | ||||||||
| BC11 | BC12 | BC13 | BC14 | BC15 | BC16 | BC17 | BC18 | BC19 | BC20 | |||
| . Functional agents | . . Colouring agents | . . . Pigments | . . . . Inorganic pigments | . . . . Organic pigments | . . . Dyes | . . . Sublimation colouring agents | . . . Fluorescent colouring agents | . . Magnetic materials | . . Conductive materials | |||
| BC21 | BC22 | BC23 | BC24 | BC26 | BC27 | BC28 | BC29 | BC30 | ||||
| . . High thermal conductive materials | . . Lubricants | . . Blowing agent | . . Others | . Binder | . . Oil | . . . Natural oil | . . . Synthetic oil | . . Wax | ||||
| BC31 | BC32 | BC33 | BC34 | BC35 | ||||||||
| . . . Natural wax | . . . Synthetic wax | . . Resin | . . . Thermoplastic resin | . . Others | ||||||||
| B41J17/00-17/12;31/00-31/12;35/10-35/18;35/22-35/23 | BD | BD00 OTHER FEATURE OF IMPRESSION-TRANSFER MATERIAL |
BD01 | BD02 | BD03 | BD04 | BD05 | BD07 | BD08 | BD09 | ||
| . facilitating movement inside printers | . . reinforcing ink ribbon | . . having end marks | . . having colour detection marks | . . having holes for pin feeding | . for erasing impressions | . . Lift-off layers | . . Colouring retouching layers | |||||
| BD11 | BD12 | BD13 | BD14 | BD15 | BD16 | BD17 | BD19 | BD20 | ||||
| . combined with layers having other functions | . . Functions for erasing | . . . Self-erasing i.e. self-correctable functions | . . Head-cleaning functions | . . Paper surface processing functions | . . Reverse carbons | . . Others | . Ribbon manufacturing methods | . . Endless ribbons | ||||
| BD21 | BD22 | BD23 | BD24 | BD25 | BD26 | BD27 | BD28 | BD29 | ||||
| . for multicolour | . . Stripe coated ribbons | . . Ribbons or sheets coated in tiers | . . . capable of colour discrimination during forward and return feeding | . . . with identical colour order during forward and return feeding | . . . Colour borders being slanted | . . Laminated types | . . Matrix-types | . . Blended ink-type | ||||
| BD31 | BD32 | BD33 | BD34 | BD35 | BD37 | BD38 | BD39 | |||||
| . . with three or more colours | . . . with a part exclusively for black | . . Colour border processing | . . . Prevention of colour mixing | . . . Others | . . having differences in ink melting points | . . having differences in each colour width | . . changing the number of each colour track | |||||
| BD41 | BD43 | BD45 | BD46 | BD47 | BD49 | |||||||
| . . designing colour tone or colour kind e.g. light dark or half tone | . . Prevention of colour mixing (for colour border see BD34) | . Ribbon cores | . . Structures of spools per se | . . Attachment of ribbon ends to spools | . Others (A fixed free word e.g. single-colour light or dark shades is assigned.) | |||||||
| B41J31/14;31/16 | CC | CC00 TESTING DEVICE FOR IMPRESSION-TRANSFER MATERIAL |
CC01 | |||||||||
| . Testing devices | ||||||||||||
| CD | CD00 REGENERATION DEVICE FOR IMPRESSION-TRANSFER MATERIAL |
CD01 | CD02 | CD03 | CD04 | CD05 | CD06 | CD08 | CD09 | CD10 | ||
| . installed inside printers | . . attached to ribbon spools | . separated from printers | . for multiple colour | . . Three or more colours | . . capable of changing colours | . Coating on non-impregnated supports | . Coating impregnation | . Immersing impregnation | ||||
| CD11 | CD12 | CD13 | CD14 | CD15 | CD16 | |||||||
| . Filling e.g. into meshes pits or through-holes | . Spraying | . Electrodeposition of powder ink | . Fluidised coating of solid ink | . . with built-in heaters | . . with external heaters | |||||||
| CD21 | CD22 | CD23 | CD24 | CD25 | CD26 | CD27 | CD28 | CD29 | CD30 | |||
| . Ink impregnated bodies or transfer bodies | . . Rollers | . . Wicks | . . Structures or shapes | . . . having unevenness on the surface | . . . . spiral | . . Materials * | . . . Rubber | . . . Metals | . . . Porous bodies | |||
| CD31 | CD32 | CD33 | CD34 | CD35 | CD36 | CD37 | CD38 | CD39 | CD40 | |||
| . . . Sintered bodies | . . . Fibrous materials | . . . Others | . Ink tanks | . . Cartridge types | . Processing after regeneration | . . Smoothing of ink layers | . . . by rollers | . . . by blades | . . Cooling solidification | |||
| CD41 | CD43 | CD45 | CD46 | |||||||||
| . Processing or eliminating residual ink after printing | . Ink replenishment in response to detecting ink concentration | . Adjustment of ink replenishment quantities | . . Prevention of excessive replenishment | |||||||||
| B41J32/00-32/02@Z;17/22-17/26;17/32@A;17/32@Z | EE | EE00 INK RIBBON CASSETTE, INCLUDING INK SHEET |
EE01 | EE02 | EE03 | EE04 | EE05 | |||||
| . with ends | . . Usable in reversing feed direction | . . Single-spool driving i.e. for single-use | . . Removable types | . . Pull-out types | ||||||||
| EE11 | EE12 | EE13 | EE14 | EE15 | EE16 | |||||||
| . for endless ink ribbons | . . Push-in types | . . Rewinding spool types | . . Removable types | . . Moebius guide types | . . Transmission belt types | |||||||
| EE21 | EE22 | EE23 | EE24 | EE25 | EE26 | EE27 | ||||||
| . Addition of other functional members | . . Heads | . . Platens | . . Means for deleting printing marks | . . coating auxiliary functional agents | . . Ink supply devices | . . Bodies to be printed e.g. paper | ||||||
| EE31 | EE32 | EE33 | EE34 | EE35 | EE37 | EE38 | EE39 | |||||
| . Storage form of ribbon | . . Multiple upper and lower storages | . . . One continuous ribbon | . . . . Reel or core being coaxial | . . . Separate ribbons | . Collapsing prevention members e.g. for endless ink ribbons | . . Pull-out spacers | . . Barrier plate movement | |||||
| EE41 | EE42 | EE43 | EE44 | EE45 | EE46 | EE47 | EE48 | |||||
| . Prevention of jams | . . Distribution | . . Weirs | . . Adjustment of feeding resistance | . . . Low-friction materials | . . . Assistance of travelling | . . . Inclination of side walls | . . . Inclination of bottom surfaces | |||||
| EE51 | EE52 | EE53 | EE54 | EE56 | EE57 | EE58 | EE59 | EE60 | ||||
| . Stopping of feeding e.g. prevention of shaking or rocking | . . Claw- or ratchet-types | . . Spring-pressing types | . . Pull-out spacers | . Detection of use | . . Ribbon ends | . . Remaining ribbon | . . Colour borders | . . Cassette types | ||||
| EE61 | EE62 | EE63 | EE65 | EE66 | EE67 | EE68 | ||||||
| . . . Colours | . . . Ribbon types e.g. single-use repeated-use or the like | . . Mounting on printers | . Protruding arms being changed | . . Wobbling up and down | . . freely bendable | . . Folding storage | ||||||
| EE71 | EE73 | EE74 | EE75 | EE76 | EE77 | EE78 | EE79 | EE80 | ||||
| . Sub-cassettes i.e. cassettes without ribbon driving means | . Connection to other cassettes | . . Laminating top and bottom | . . . Similar shapes | . . . Different shapes | . . Connection to the sides | . . Connection to the inside | . . . Ink supply members | . . . Sub-cassettes | ||||
| EE81 | EE82 | EE83 | EE84 | EE85 | EE86 | EE87 | EE88 | EE89 | EE90 | |||
| . Ribbon-driving means i.e. inside cassettes | . . Nip roll types | . . . Hard and coarse surface types | . . . . Gear types | . . . Elastic body types | . . . Varying diameter types | . . Pressing roll types | . . . Rollers with needles | . . Interlocking types | . . . Belt transmission | |||
| EE91 | EE94 | EE95 | EE96 | EE98 | ||||||||
| . . Mechanisms for contact and separation | . Ribbon mounting elements | . Cassette storage elements | . Anti-static structures | . Others | ||||||||
| B41J32/00-32/02@Z;17/02-17/12;17/22-17/26;17/32@A-17/32@Z;33/52 | FF | FF00 BRAKE DEVICE OR BACK TENSION MECHANISM |
FF01 | FF03 | FF05 | FF06 | FF07 | FF08 | FF09 | FF10 | ||
| . mounted inside cassettes | . Adjustable | . by electrical control | . by spring control | . . Leaf springs | . . Coil springs | . . Needle springs | . . Flat spiral springs | |||||
| FF11 | FF12 | FF13 | FF14 | FF15 | FF16 | FF17 | FF18 | FF19 | ||||
| . by feeding resistance friction | . . Guide body contact | . . Application of rotational resistance to pancakes | . . Application of resistance on reel side surfaces or rotational shafts | . by magnets | . by fluid brake materials | . Lock mechanisms for preventing reversion | . characterised by initial operations | . Others | ||||
| B41J33/14;17/02-17/12 | GG | GG00 RIBBON FEEDING MECHANISM |
GG01 | GG02 | GG03 | GG04 | GG05 | |||||
| . by electrical control | . Mechanisms for protection of driving systems during ribbon shifting | . Driving by mechanisms using electrostrictive elements | . having noise prevention devices | . Others | ||||||||
| B41J17/02-17/12 | GH | GH00 MECHANISM FOR FEEDING CONTROL OF PAGE-WIDTH IMPRESSION-TRANSFER MATERIAL |
GH01 | GH02 | GH03 | GH04 | ||||||
| . feeding slower than recording paper | . associated with head contact and separation actions | . Empty feeding | . Temporary rewinding | |||||||||
| GJ | GJ00 CONTROL MECHANISM FOR CORRECTION OR PREVENTION OF ABNORMALITY IN PAGE-WIDTH IMPRESSION-TRANSFER MATERIAL |
GJ01 | GJ02 | GJ03 | GJ04 | |||||||
| . Control mechanisms for correction or prevention of oblique travelling meandering or lateral deviation | . . Supply or take-up reels of wobbling type | . Control mechanisms for correction or prevention of creases | . Others | |||||||||
| B41J33/16-33/28;17/02-17/12 | GK | GK00 DRIVING TRANSMISSION |
GK01 | GK02 | GK04 | GK05 | GK06 | GK07 | GK08 | |||
| . Indirect driving transmission | . Direct driving transmission | . by gears | . by pulleys | . by ratchets | . by frictional force | . by magnets | ||||||
| GK11 | GK12 | GK13 | GK14 | GK16 | GK17 | GK18 | GK19 | GK20 | ||||
| . by rollers | . . characterised by structures or shapes | . . characterised by materials * | . by pulling or grasping mechanisms | . having one-way clutches | . Driving sources in common with those for recording paper | . Driving transmission for take-up | . having conveying means at multiple positions | . Others | ||||
| B41J33/36;17/02-17/12 | GL | GL00 MECHANISM WITH MEANS FOR ADJUSTING FEEDING RATE |
GL01 | GL02 | GL03 | GL04 | GL05 | |||||
| . by electrical control | . by cams or cam levers | . by switchover of gears or pulleys | . by manual operation | . Others | ||||||||
| B41J33/38-33/388 | GM | GM00 SLOW-SPEED FEEDING MECHANISM |
GM01 | GM02 | GM03 | GM04 | GM05 | GM06 | GM07 | GM08 | GM09 | GM10 |
| . by electrical control | . feeding only during carriage return | . . Feeding mechanisms installed on carriages | . . having one-way clutches | . . having tape clamp mechanisms | . interlocking with line spacer mechanisms | . feeding only during printing actions | . recordable during the forward and return movement of carriages | . having slackness prevention mechanisms | . Others | |||
| B41J33/40-33/44;17/14 | GN | GN00 DEVICE FOR REVERSING FEEDING DIRECTION |
GN01 | GN02 | GN03 | GN04 | GN05 | |||||
| . by manual operation | . by automatic operation | . . by electrical control | . . by switchover of gears | . Others | ||||||||
| B41J33/54-33/58;17/12 | GP | GP00 MECHANISM ENSURING MAXIMUM LIFE OF RIBBON |
GP01 | GP02 | GP03 | GP04 | GP05 | |||||
| . Adjustment of ribbons in lateral directions | . feeding ribbons obliquely | . Feeding pitches being variable | . having temporary rewinding mechanisms | . Others | ||||||||
| B41J35/04-35/08;17/28;17/30@A-17/30@Z | HH | HH00 RIBBON GUIDE |
HH01 | HH02 | HH03 | HH04 | HH05 | HH06 | HH07 | HH08 | HH09 | |
| . for peeling | . . changeable in timing | . Reverse Moebius guides | . having tensioning devices | . Guides or guide rollers for removing creases | . Guides or guide rollers for correcting oblique travelling | . preheating ink ribbons | . eliminating static electricity of ink ribbons | . for other purposes | ||||
| HH11 | HH12 | HH13 | HH14 | HH16 | HH17 | HH18 | HH19 | HH20 | ||||
| . Ribbon forks | . Guide rollers | . . Non-cylindrical rollers | . Guide plates | . mounted on carriages | . . attached to print heads | . . sliding on the ribbon surface | . mounted on frames | . mounted in cassettes | ||||
| B41J35/10-35/14;35/20 | JJ | JJ00 RIBBON SHIFTING MECHANISM |
JJ01 | JJ02 | JJ03 | JJ04 | JJ05 | JJ07 | JJ08 | JJ09 | JJ10 | |
| . for multiple-colour printing | . for ensuring maximum life of ribbons | . for printing and correction switchover | . for non-use of ribbons | . for other purposes | . Ribbon guide shifting | . . Ribbon forks | . Ribbon cartridge shifting | . . Wobbling guide arm only | ||||
| JJ11 | JJ12 | JJ13 | JJ14 | JJ16 | JJ17 | JJ18 | JJ19 | JJ20 | ||||
| . Circular arc movement i.e. wobbling | . . Wobbling shafts being vertical to platen shafts | . Parallel movement | . . Movement in the direction of rows | . using pulse motors | . by link mechanisms | . by special shaped cams | . . Groove cams | . by gear connections | ||||
| JJ21 | JJ22 | JJ23 | JJ26 | JJ27 | JJ29 | |||||||
| . by magnets e.g. rotary magnets | . . Electromagnets | . . . Multiple electromagnets | . Controls | . . Processing during power source input | . Positioning for accurate movement | |||||||
| B41J35/10-35/14;35/16-35/18;35/22-35/23;17/02-17/12 | KK | KK00 MULTICOLOUR DEVICE $* |
KK01 | KK02 | KK03 | KK04 | KK05 | |||||
| . using stripe coated ribbons ($* a fixed free word is assigned.) | . . Oscillating mechanisms | . . reversing from front to back e.g. reversing top to bottom and twisting 180 degrees | . . multiple head types | . . . Oblique feeding | ||||||||
| KK11 | KK12 | KK13 | KK14 | KK15 | KK16 | KK17 | KK18 | KK19 | ||||
| . using ribbons or sheets coated in tiers | . . Colour positioning | . . . Colour block units | . . . for each colour | . . . using ribbons with end marks | . . . Detectors | . . . . Arrangement of detectors | . . Processing during power source input | . . Usable in reversing feed direction | ||||
| KK21 | KK22 | KK23 | KK24 | KK25 | KK26 | KK27 | ||||||
| . . Multiple-head types | . . . Meandering types | . . . Paper circulation types | . . Feeding control | . . . Switchover between colour and monochrome mode | . . . for prevention of colour drifting | . . . Printing of detection marks | ||||||
| KK31 | KK33 | KK34 | KK35 | KK36 | KK38 | KK40 | ||||||
| . using ink-laminated ribbons | . using a plurality of ink ribbons | . . Ribbon shifting | . . Multiple head types | . . Cassette exchange types | . using ink discs | . using matrix-type ribbons | ||||||
| KK41 | KK43 | KK45 | KK47 | |||||||||
| . using blended ink type ribbons | . interposing ribbons when necessary | . performing necessary colour inking | . combining transfer and thermosensitive or pressure-sensitive colouring | |||||||||
| B41J35/22-35/23 | LL | LL00 USE OF A PLURALITY OF INK RIBBONS $* |
LL01 | LL02 | LL03 | LL04 | LL05 | LL06 | LL07 | LL08 | ||
| . Ribbons for printing and for correction | . for forward and return printing | . . changing paths of one ribbon | . for simultaneous printing in multiple locations | . . Multiple papers | . for printing on both sides | . for multiple-colour printing | . . having a ribbon exclusively for black | |||||
| LL11 | LL12 | LL13 | LL14 | LL15 | LL17 | |||||||
| . Arrangement of cassettes $* | . . Laminating top and bottom | . . . Similar shapes | . . Juxtaposition | . . Receiving chamber | . Determining ribbon type | |||||||
| LL21 | LL22 | LL23 | ||||||||||
| . Ribbon shift mechanisms | . . Circular arc movement | . . Parallel movement | ||||||||||
| B41J35/28;17/22;17/24;17/26;17/32@A-17/32@Z | MM | MM00 CARRIER OR HOLDER FOR INK RIBBON MECHANISM |
MM01 | MM02 | MM03 | MM04 | MM06 | MM08 | ||||
| . Installation positions | . . on carriages | . . Frames | . . Others | . Cassette storage e.g. automatic cassette exchange devices or the like | . Ribbon spool installation devices | |||||||
| MM11 | MM12 | MM13 | MM14 | MM15 | MM16 | MM17 | ||||||
| . Cassette mounting detection | . . Power source on-off | . . determining thermal transfer or thermosensitive colouring | . . Feeding pitch switchover | . . Determining cassette type | . . . Colour | . . . Ribbon types e.g. single-use or repeated-use | ||||||
| MM21 | MM22 | MM23 | MM24 | MM25 | MM26 | MM27 | MM29 | |||||
| . Means to ensure ease of mounting | . . Guide structures | . . Fastening structures | . . . Retention of inclination | . . facilitating connection with ribbon feeding shafts | . . Contact and separation of driving rollers | . . Retention by magnetic force | . Others e.g. noise prevention or the like | |||||
| B41J35/36;17/36@A-17/36@Z | NN | NN00 BREAKAGE, EXHAUSTION, ALARM, OR THE LIKE |
NN01 | NN02 | NN03 | NN04 | NN05 | NN06 | NN07 | NN08 | NN09 | NN10 |
| . Detection of remaining amount or informing | . Detection of ribbon end | . . Processing after detection | . . Processing after near-end detection | . Seam detection e.g. endless ribbons | . Feeding status detection e.g. jams | . . Oblique travelling or meandering detection | . Use frequency detection | . . Ink concentration detection i.e. printing darkness detection | . Detection of damage e.g. holes or breaks | |||
| NN11 | NN14 | NN15 | NN16 | NN17 | NN18 | NN19 | NN20 | |||||
| . Detection of improper mounting | . Detectors | . . Arrangement of detectors | . . Detection means | . . . Optical means | . . . . Reflective types | . . . Electrical means | . . . Magnetic means | |||||
| NN21 | NN22 | NN23 | NN24 | NN26 | NN28 | |||||||
| . . . Sensor wheels | . . . Visual displays i.e. colour or the like | . . Correlation with power sources | . . Detection circuits | . Oblique travelling correction signal output or alarm circuits | . Others | |||||||
| B41J35/38;17/38@A;17/38@Z;17/40;17/42 | PP | PP00 PROCESSING OF USED RIBBONS |
PP01 | PP02 | PP03 | PP04 | PP05 | PP06 | PP07 | PP08 | PP09 | PP10 |
| . for securing confidentiality | . . Scratching out of residual images | . . Fusion e.g. heat fusion | . . Reverse transfer | . . Adhesion | . . Mechanical processing | . . . Breaking or cutting | . . Painting over | . . Other means | . Others | |||
| B41J27/00-27/22 | RR | RR00 SHAPE OF INK ROLLER |
RR01 | RR02 | RR03 | |||||||
| . Prismatic shapes | . Belt-like shapes | . Others | ||||||||||
| RS | RS00 SURFACE OF INK ROLLER |
RS01 | RS02 | RS03 | RS05 | RS06 | RS07 | RS08 | ||||
| . having unevenness | . . forming types for printing | . . spiral | . divided | . . Split sectionally | . . Axial direction | . . Others | ||||||
| RT | RT00 STRUCTURE OF INK ROLLER |
RT01 | RT02 | RT04 | RT05 | RT07 | RT09 | |||||
| . comprised of a single layer | . comprised of multiple layers | . having hollow sections | . . storing ink | . having ink supply mechanisms | . serially shifting ink rollers | |||||||
| RT11 | RT12 | RT14 | RT16 | RT17 | RT18 | RT20 | ||||||
| . Detachable from roller bodies | . Detachable from printers | . Pressurised structures | . having covers | . . having covers for preventing ink pollution | . . combined with parts related to detachment | . Ink roller manufacturing methods | ||||||
| RV | RV00 MATERIAL OF INK ROLLER |
RV01 | RV02 | RV03 | RV04 | RV05 | RV06 | RV07 | RV09 | RV10 | ||
| . Fibrous materials | . Rubber | . Resins other than rubber | . Metals | . Others | . Porous bodies | . . Sintered bodies | . Combinations of different types of materials | . Combinations of different properties of the same type of materials | ||||
| RW | RW00 FUNCTION OF INK ROLLER |
RW01 | RW02 | RW03 | RW05 | RW07 | ||||||
| . Transfer rollers | . Impregnation rollers | . . Impregnation platens | . for Japanese-character typewriters | . for electrostatic printers | ||||||||
| RW11 | RW12 | RW13 | RW14 | RW15 | RW16 | |||||||
| . for thermal printers | . . with ink melt deposited inside | . . with ink melt supplied outside | . . having ink layer smoothing mechanisms | . . . using blades | . . . using rollers | |||||||
| RW21 | RW22 | RW23 | RW24 | RW25 | RW26 | |||||||
| . for multiple-colour printing | . . Two colours | . . Three or more colours | . . Ink carriers being single | . . A plurality of ink carriers | . . Specific colours corresponding to specific type regions | |||||||
| RW31 | RW33 | |||||||||||
| . having functions other than ink application | . ensuring maximum life of ink rollers |