Service Manual
Page 26
Paper Feeding: Manual feed (roll feeder optional) Image Fusing: Heat and pressure type, teflon (upper) and silicone rubber (lower) rollers Fusing Lamp: Nichrome wire lamp (115 V: 1,100 W, 230 V: 1,100 W) Self-diagnostic Codes: 11 codes, displayed in copy counter Power Source: 115 V/60 Hz....15 A 220 V/...
Paper Feeding: Manual feed (roll feeder optional) Image Fusing: Heat and pressure type, teflon (upper) and silicone rubber (lower) rollers Fusing Lamp: Nichrome wire lamp (115 V: 1,100 W, 230 V: 1,100 W) Self-diagnostic Codes: 11 codes, displayed in copy counter Power Source: 115 V/60 Hz....15 A 220 V/...
Service Manual
Page 67
... not to turn on the fusing lamp based on the combination of the pressure roller through TH2. A163 2-31 SM 8.4 TEMPERATURE CONTROL Hot Roller Temp. (°C) Pressure Roller Temp. (°C) Operating Temperature Lower Limit Lower Limit The main board monitors the temperature of the hot roller through TH1 and the temperature of the input from these two thermistors.
... not to turn on the fusing lamp based on the combination of the pressure roller through TH2. A163 2-31 SM 8.4 TEMPERATURE CONTROL Hot Roller Temp. (°C) Pressure Roller Temp. (°C) Operating Temperature Lower Limit Lower Limit The main board monitors the temperature of the hot roller through TH1 and the temperature of the input from these two thermistors.
Service Manual
Page 68
... anywhere that is stored in 1 degree increments (--9°C to be adjusted, using SP#3 or by key operation. the setting is 5° lower than 2 seconds; In this procedure does not overwrite the setting that is selected by SP#2 or by this way, the setting of the fusing... and copying is as follows. the Density indicator inverts, and the unlit lamp on the previous page); The operating temperature of the hot roller and pressure roller can be monitored using SP #--9. - These programs are three operating temperature modes, selected with the Copy Media key: normal (for use ...
... anywhere that is stored in 1 degree increments (--9°C to be adjusted, using SP#3 or by key operation. the setting is 5° lower than 2 seconds; In this procedure does not overwrite the setting that is selected by SP#2 or by this way, the setting of the fusing... and copying is as follows. the Density indicator inverts, and the unlit lamp on the previous page); The operating temperature of the hot roller and pressure roller can be monitored using SP #--9. - These programs are three operating temperature modes, selected with the Copy Media key: normal (for use ...
Service Manual
Page 69
... the required setting with the Density keys, then press the Copy Media key to store the setting. A163 2-33 SM When the hot roller or pressure roller temperature is kept at different fusing unit temperatures. After fusing, paper shrinks slightly, and expands again after a few minutes. The position of...starts to rotate to its normal operating mode, but it is blinking if the setting just selected is not the same as shown below the lower limit, copying is a bit different. However, Mode 8 (the highest temperature mode) is disabled. Therefore, if the fusing unit operating mode...
... the required setting with the Density keys, then press the Copy Media key to store the setting. A163 2-33 SM When the hot roller or pressure roller temperature is kept at different fusing unit temperatures. After fusing, paper shrinks slightly, and expands again after a few minutes. The position of...starts to rotate to its normal operating mode, but it is blinking if the setting just selected is not the same as shown below the lower limit, copying is a bit different. However, Mode 8 (the highest temperature mode) is disabled. Therefore, if the fusing unit operating mode...
Service Manual
Page 112
... Determines the copy grid voltage. Fu = XXX Pr = XXX Fu: Hot roller temperature Pr: Pressure roller temperature If the hot roller temperature is lower than 100°C (pressure roller temperature is lower than 180°C), "HHH" is indicated. If the hot roller temperature is higher than 210°C (pressure roller temperature is higher than 50°C), "LLL" is continuously displayed during...
... Determines the copy grid voltage. Fu = XXX Pr = XXX Fu: Hot roller temperature Pr: Pressure roller temperature If the hot roller temperature is lower than 100°C (pressure roller temperature is lower than 180°C), "HHH" is indicated. If the hot roller temperature is higher than 210°C (pressure roller temperature is higher than 50°C), "LLL" is continuously displayed during...
Service Manual
Page 130
... set Lamp Off Mode.) e) Press RF Select key to set the fusing temperature setting to the mode which is the number to determine whether the pressure roller should be replaced. 1. To prevent a paper misfeed create a lead edge margin with vertical grain direction. Make a copy using a less fusible kind of ... not to TSB No. Be careful not to injure yourself by pressing Minus key. ("-51" is one step lower than 3 seconds. 2. a) Confirm that the fusing lamp does not touch the hot roller. 4. The fusing unit is indicated. 4. Take care not to damage the edges of paper and the adjustment...
... set Lamp Off Mode.) e) Press RF Select key to set the fusing temperature setting to the mode which is the number to determine whether the pressure roller should be replaced. 1. To prevent a paper misfeed create a lead edge margin with vertical grain direction. Make a copy using a less fusible kind of ... not to TSB No. Be careful not to injure yourself by pressing Minus key. ("-51" is one step lower than 3 seconds. 2. a) Confirm that the fusing lamp does not touch the hot roller. 4. The fusing unit is indicated. 4. Take care not to damage the edges of paper and the adjustment...
Service Manual
Page 227
... by induction sensor Development bias control + exposure control Dual wire ac corona and pick-off pawls Cleaning blade Manual feed (roll feeder optional) Heat and pressure type, teflon (upper) and silicone rubber (lower) rollers Nichrome wire lamp (115 V: 1,100 W, 230 V: 1,100 W) 13 codes, displayed in copy counter SM 1-1 A251/A252 Overall Information SPECIFICATIONS 1.
... by induction sensor Development bias control + exposure control Dual wire ac corona and pick-off pawls Cleaning blade Manual feed (roll feeder optional) Heat and pressure type, teflon (upper) and silicone rubber (lower) rollers Nichrome wire lamp (115 V: 1,100 W, 230 V: 1,100 W) 13 codes, displayed in copy counter SM 1-1 A251/A252 Overall Information SPECIFICATIONS 1.
Service Manual
Page 323
... an induction sensor Development bias control + exposure control Dual wire AC corona and pick-off pawls Cleaning blade Manual feed (roll feeder optional) Teflon heat roller (upper) and a silicone rubber pressure roller (lower) Halogen lamp (115 V: 1,200 W, 230 V: 1,200 W) SM 1-1 B047/B048
... an induction sensor Development bias control + exposure control Dual wire AC corona and pick-off pawls Cleaning blade Manual feed (roll feeder optional) Teflon heat roller (upper) and a silicone rubber pressure roller (lower) Halogen lamp (115 V: 1,200 W, 230 V: 1,200 W) SM 1-1 B047/B048
Service Manual
Page 339
... measure the hot roller and pressure roller's temperature. The machine waits until the hot roller temperature reaches 80°C. The hot roller is hard and might damage the roller. When cold, the thermistor is a thin-shell, Teflon coated roller. The thinner roller allows a muchshorter ...warm-up time. It is turned on the toner and developer. Like the A163/A251/A252 copiers, if the fusing temperature is lower...
... measure the hot roller and pressure roller's temperature. The machine waits until the hot roller temperature reaches 80°C. The hot roller is hard and might damage the roller. When cold, the thermistor is a thin-shell, Teflon coated roller. The thinner roller allows a muchshorter ...warm-up time. It is turned on the toner and developer. Like the A163/A251/A252 copiers, if the fusing temperature is lower...
Service Manual
Page 340
B047/B048 2-8 SM FUSING AND PAPER EXIT 2.8.3 TEMPERATURE CONTROL Hot Roller Temperature Control Hot Roller Temp. (°C) 198 Mode 8 Mode 6 190 Mode 5 Mode 7 180 Mode 4 Mode 3 170 Mode 2 Mode 1 160 150 142 ~60 63 66 69 72 75 78 81 84 87 90 93 96 99 102 105 108 111 114 117 120~ Pressure Roller Temp. (°C) 198 Mode 8 Operating Temperature 190 185 180 Lower Limit 110 115 120 125 130 135 140 145 Lower Limit B047D001.WMF The relationship between the hot roller and pressure roller temperatures has been changed due to the thin-shell, Teflon coated roller.
B047/B048 2-8 SM FUSING AND PAPER EXIT 2.8.3 TEMPERATURE CONTROL Hot Roller Temperature Control Hot Roller Temp. (°C) 198 Mode 8 Mode 6 190 Mode 5 Mode 7 180 Mode 4 Mode 3 170 Mode 2 Mode 1 160 150 142 ~60 63 66 69 72 75 78 81 84 87 90 93 96 99 102 105 108 111 114 117 120~ Pressure Roller Temp. (°C) 198 Mode 8 Operating Temperature 190 185 180 Lower Limit 110 115 120 125 130 135 140 145 Lower Limit B047D001.WMF The relationship between the hot roller and pressure roller temperatures has been changed due to the thin-shell, Teflon coated roller.
Service Manual
Page 388
...120 → 249 Low High Translucent paper = ON Translucent Film = OFF B047/B048 4-14 SM Displays the hot roller temperature and pressure roller temperature. Determines the drum charge voltage. Translucent paper = ON Translucent Film = OFF Determines the copy grid voltage. Data...8592; 0 → 9°C Decrease Increase Fu = XXX Pr = XXX Fu: Hot roller temperature Pr: Pressure roller temperature If the hot roller temperature is lower than 80°C (pressure roller temperature is lower than 180°C), "HHH" is entered, SP#-13 will be displayed during the copy cycle ...
...120 → 249 Low High Translucent paper = ON Translucent Film = OFF B047/B048 4-14 SM Displays the hot roller temperature and pressure roller temperature. Determines the drum charge voltage. Translucent paper = ON Translucent Film = OFF Determines the copy grid voltage. Data...8592; 0 → 9°C Decrease Increase Fu = XXX Pr = XXX Fu: Hot roller temperature Pr: Pressure roller temperature If the hot roller temperature is lower than 80°C (pressure roller temperature is lower than 180°C), "HHH" is entered, SP#-13 will be displayed during the copy cycle ...
Service Manual
Page 453
... INSERT The Field Service Manual page(s) listed below . b) Select "-51" by an arrow • 4-38 Additional Information Pressure Roller Evaluation Procedure PARTS OTHER a) Confirm that correspond with the steps below . Note: Before making a copy, set Lamp Off Mode...a) Press Function Select key until "Paper Length" indicator lights. Select Lamp Off Mode with anew one step lower than 3 seconds. 2. SUBJECT: PRESSURE ROLLER EVALUATION PROCEDURE GENERAL: The following procedure is indicated. 4. TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: FW740...
... INSERT The Field Service Manual page(s) listed below . b) Select "-51" by an arrow • 4-38 Additional Information Pressure Roller Evaluation Procedure PARTS OTHER a) Confirm that correspond with the steps below . Note: Before making a copy, set Lamp Off Mode...a) Press Function Select key until "Paper Length" indicator lights. Select Lamp Off Mode with anew one step lower than 3 seconds. 2. SUBJECT: PRESSURE ROLLER EVALUATION PROCEDURE GENERAL: The following procedure is indicated. 4. TECHNICAL SERVICE BULLETIN CUSTOMER SERVICE GROUP BULLETIN NUMBER: FW740...
