Gestetner B003 Service Manual

Text of Gestetner B003 User Guide:

• Gestetner B003, MAIN MACHINE INSTALLATION SM 1-15 B003/B004/B006/B007 Installation Set Paper Size for Paper Trays 1. Press User Tools/Counter . 2. On the touch panel, press System Settings. 3. Press the Paper Size Setting tab. 4. Press the button for the tray to change. 5. Change the setting and press the OK button. 6. Repeat for each tray installed. 7. Press Exit twice to return to the main display • The 1st and 2nd paper trays are provided with paper size dial selectors. The dial settings on the paper trays have priority over the UP settings. However, if you select the asterisk (*) position on the paper size dial, you can select the paper size with the UP setting. • The 3rd and 4th paper t

• Gestetner B003, IMAGE FUSING AND PAPER EXIT B003/B004/B06/B007 6-78 SM 6.15.6 PRESSURE ROLLER The pressure springs [A] apply constant pressure between the hot roller [B] and the pressure roller [C]. The applied pressure can be changed by adjusting the position of the pressure springs. The left position [D] is the normal setting, and the right position [E] increases the pressure to prevent insufficient fusing by the fusing unit. 6.15.7 CLEANING MECHANISM The cleaning roller [A], in constant contact with the pressure roller [B], collects toner and paper dust from the surface of the pressure roller. Because the cleaning

• Gestetner B003, ORIGINAL SIZE DETECTION B003/B004/B006/B007 8-18 SM 4.3.2 MIXED ORIGINAL SIZE MODE This section explains what happens when the user selects mixed original size mode. Because this ADF is a sheet-through document feeder, the method for original document width detection is the same as when the originals are the same size, but the document length detection method is different. Therefore, the scanning speed is slightly slower. Document length detection From when the registration sensor switches on until the interval sensor switches off, the CPU counts the transport motor pulses. The number of pulses

• Gestetner B003, ENTRANCE SENSOR/STAPLER TRAY ENTRANCE SENSOR SM 14-3 B003/B004/B006/B007 Two-Tray Finisher B352 1.4 ENTRANCE SENSOR/STAPLER TRAY ENTRANCE SENSOR 1. Entrance sensor bracket [A] (! x1, # x1) 2. Entrance sensor [B] (! x1) 3. Stapler tray entrance sensor bracket [C] (! x1, # x1) 4. Stapler tray entrance sensor [D] 1.5 STAPLER TRAY 1. External covers, front door, inner cover (☛ 1.1.1, 1.1.2) 2. Two clamps [A] 3. Harnesses [B] (# x8) 4. Stapler tray [C] (! x2 [D], ! x2 [E]) At the front of the finisher, pull the stapler tray toward you and lift it out. B352R105.WMF B352R107.WMF B352R10

• Gestetner B003, BIT SWITCHES B003/B004/B006/B007 3-56 SM G4 Internal Switch 05 No. FUNCTION COMMENTS 0-1 Not used Do not change these settings. 2 Protocol ID check 0: Yes 1: No The Protocol ID is in the CR packet. 3-7 Not used Do not change these settings. G4 Internal Switch 06 - Not used (do not change these settings) G4 Internal Switch 07 - Not used (do not change these settings) G4 Internal Switch 08 - Not used (do not change these settings) G4 Internal Switch 09 - Not used (do not change these settings) G4 Internal Switch 0A - Not used (do not change t

• Gestetner B003, JOGGER UNIT PAPER POSITIONING MECHANISM SM 14-29 B003/B004/B006/B007 Two-Tray Finisher B352 4.6 JOGGER UNIT PAPER POSITIONING MECHANISM In staple mode, each sheet of copy paper is vertically and horizontally aligned when it arrives in the stapler tray. Vertical Paper Alignment After the trailing edge of the paper passes the stapler tray entrance sensor [A], the positioning roller solenoid [B] is energized for a specified time to push the positioning roller [C] into contact with the paper. The positioning r

• BIT SWITCHES SM 3-49 B003/B004/B006/B007 Service Tables B360 3.2.6 G3-2 SWITCHES These switches require an optional G3 interface unit. G3-2 Switch 00 SP No. 1-106-001 No FUNCTION COMMENTS 0-1 Monitor speaker during communication (tx and rx) Bit 1 Bit 0 Setting 0 0 Disabled 0 1 Up to Phase B 1 0 All the time 1 1 Not used (0, 0): The monitor speak

• Gestetner B003, 1-BIN TRAY UNIT INSTALLATION B003/B004/B006/B007 1-28 SM 20. Attach two mylar strips [A] to the scanner stand [B]. 21. Reinstall the scanner stand cover. 22. Reinstall the scanner unit. 23. Turn on the main switch and check the 1-bin tray unit operation. B376I106.WMF [A] [B]

• Gestetner B003, SERVICE PROGRAM MODE B003/B004/B006/B007 5-10 SM SP2 Mode Number Function and [Setting] 2209* 2* Toner Supply Correction Data Displays the toner supply correction coefficient (K). It can also be used to adjust K, but the value is changed again when V T is measured for the next copy. The toner supply rate depends on the amount of toner in the toner bottle. This change is corrected using this coefficient. This SP can be used to check the toner supply condition. The lower the value of K, the lower the toner density. [25 ~300 / 300 / 25 step] 2210* ID Sensor Pattern Interval Sets the interval between ID sensor pattern prints. This setting allows adjustment for custom

• INSTALLATION REQUIREMENTS SM 1-1 B003/B004/B006/B007 Installation B361/B362 1. INSTALLATION 1.1 INSTALLATION REQUIREMENTS Please refer to section 1 of the main unit service manual. 1.2 PRINTER INSTALLATION Accessory Check Check the accessories in the box against the following list: No. Description Q’ty Note 1Cable 1 2 Paper Height Sensors 4 3 Edge Clamp 1 4

• Gestetner B003, DIP SWITCHES SM 5-73 B003/B004/B006/B007 Service Tables 5.6 DIP SWITCHES Controller: DIP SW2 DIP SW No. ON OFF 1 IC Card Boot System ROM Boot 2 3 4 Keep at “OFF” I/O Board: DIP SW101 DIP SW No. Function ON OFF 1 Copy Speed 35 cpm (180 mm/s) 45 cpm (230 mm/s) 2 Jam Detection (see Note) OFF ON 3 SC Generation Disabled Enabled 4 Not used OFF (Do not change) 5 Not used OFF (Do not change) 6 7 Destination OFF Japan OFF ON North America OFF OFF Europe ON ON Not used ON 8 Engine Program Recovery ON OFF NOTE: Disabling jam det

• Gestetner B003, SOFTWARE HISTORY SM 4-13 B003/B004/B006/B007 Detailed Descriptions B361/B362 DESCRIPTION OF MODIFICATION FIRMWARE LEVEL FIRMWARE VERSION Firmware modified to correct the following: 1. When the undefined command, "<ESC>&k#w" is received, it appears on the output as a character string [e.g. as "<ESC>&k6w"]. 2. The punch error is logged in the error report whenever feeding from the Bypass Tray under any print job conditions (even when not using the punch unit). 3. When Letterhead is selected as the paper type for the Bypass tray, the tray icon on the operation panel displays a “2”, indicating that Dupl

• TWO-TRAY FINISHER INSTALLATION SM 1-39 B003/B004/B006/B007 Installation 8. Install two trays [A] (! x1 each). 9. Connect the finisher cable [B] to the main machine below the right rear handle. 10. Turn on the main switch and check the finisher operation. NOTE: When moving the finisher to a new location, if you wish to put the finisher back in the original carton, change the DIP switch settings

• Gestetner B003, FAX UNIT B003/B004/B006/B007 1-4 SM 4. Remove the FCU cover [A] (2 screws) and the controller unit [B] (2 screws). 5. Turn on the battery switch (SW1) [C] on the FCU board [F], connect the harness [D] to the FCU board. Then slide the FCU board into the right slot of the expansion box. NOTE: If any following options will be installed at the same time, connect the option board to the FCU board before sliding the FCU board into the expansion box. Refer to the Installation Procedure of each option. • Fax Function Upgrade Type 185 • G3 Interface Unit Type 1045 • ISDN option Type 1045 6. Attach the edge clamp [E] to the bottom of the expansion box, then clamp the FCU harness

• Gestetner B003, SCANNER UNIT SM 3-9 B003/B004/B006/B007 Replacement & Adjustment 3.9.2 EXPOSURE GLASS 1. Open the ARDF or platen cover. 2. Rear scale [A] (! x3) 3. Left scale [B] (! x2) 4. Exposure glass [C] 5. DF exposure glass [D] NOTE: When reinstalling the exposure glass, make sure that the white dot is positioned at the rear left corner. B004R959.WMF [A] [B] [D] [C]

• DRUM CHARGE B003/B004/B06/B007 6-44 SM 6.8.2 CHARGE ROLLER VOLTAGE CORRECTION Correction for Environmental Conditions The voltage transferred from roller to drum could vary with the temperature and humidity around the drum charge roller. The lower the temperature or humidity, the higher the applied voltage required. The ID sensor measures the effects of ambie

• Gestetner B003, BASIC OPERATION B003/B004/B006/B007 12-4 SM 2. DETAILED DESCRIPTIONS 2.1 BASIC OPERATION When the leading edge of the first sheet of copy paper reaches the copier’s hot roller, the tray motor [A] starts and turns off approximately 0.5 s after the trailing edge of the paper passes through the exit rollers [B]. The tray lock sensor [C] checks whether the tray motor rotates or not. When the tray lock sensor does not generate pulses for 300 ms while the tray motor is on, the copier will stop and display an SC code. The paper sensor [D] checks whether there is paper in the tray or not. The paper sensor

• FAX SC CODES B003/B004/B006/B007 2-16 SM 2.3.4 FAX SC CODE TABLE SC Code Description Suggested Action Sys Switch 1F bit 7 = 0 Sys Switch 1F bit 7 = 1 1102 Handshake error with controller at start-up 1111 Command TX/RX error to/from the controller 1112 Base copier’s engine was reset 1120 Interface module error Initialize the fax unit. (See section 2.3.1.for

• Gestetner B003, MAIN MACHINE INSTALLATION B003/B004/B006/B007 1-16 SM Electrical Total Counter 1. Initialize the electrical total counter using SP7-825, depending on the service contract type. NOTE: This procedure has an affect only once, when the counter is a minus (“−“)value. HDD Caution Decal (for only NA models) 1. Attach the HDD Caution decal [A] to the front cover. 10 mm (0.4") 25 mm (1.0") B004I017.WMF B004I018.WMF [A]

• Gestetner B003, SELF-DIAGNOSTIC MODE B003/B004/B006/B007 5-68 SM 5.4.2 DETAILED SELF-DIAGNOSTIC MODE In addition to the self-diagnostic test initiated every time the main machine is powered on, you can set the machine in a more detailed diagnostic mode manually in order to test other components or conditions that are not tested during self- diagnosis after power on. The following device is required in order to put the machine in the detailed self-diagnosis mode. No. Name G02119350 Parallel Loopback Connector Executing Detailed Self-Diagnosis Follow th

• Gestetner B003, DEVELOPMENT SM 6-53 B003/B004/B006/B007 Detailed Descriptions Image Pixel Count Mode This mode should only be used only as a temporary measure while waiting for replacement parts, such as a TD sensor. This mode controls the toner supply amount using the same method for determining the toner bottle motor on time. However, the values that were in effect when the toner density control mode was changed over to image pixel count mode with SP2-208-1 (Toner Supply Mode) remain in effect and cannot be changed. 6.9.6 TONER NEAR END/END DETECTION The toner near-end condition is detected based on the Vt(10) output from the TD sensor. If the difference between V

• Gestetner B003, NCU PARAMETERS SM 3-71 B003/B004/B006/B007 Service Tables B360 Address Function Unit Remarks 680557 Time between 68054Dh (NCU parameter 14) and 68054Eh (NCU parameter 15) 1 ms This parameter takes effect when the country code is set to France. 680558 Not used Do not change the setting. 680559 Grounding time (ground start mode) 20 ms The Gs relay is closed for this interval. 68055A Break time (flash start mode) 1 ms The OHDI relay is open for this interval. 68055B International dial access code (High) 68055C International dial access code (Low) BCD For a code of 100: 68055B - F1 68055C - 00 68055D PSTN access pause time

• Gestetner B003, IMAGE FUSING AND PAPER EXIT SM 6-79 B003/B004/B006/B007 Detailed Descriptions 6.15.8 FUSING TEMPERATURE CONTROL The fusing unit for this machine is equipped with two fusing lamps: the first fusing lamp (center: 650W) [A] heats the center of the fusing roller, and the second fusing lamp (ends: 550W) [B] heats both ends of the fusing roller. This arrangement ensures even heat on all surfaces of the roller. In order to control the temperature of the roller, two high response thermistors are attached to the unit, one near the center [C] and one at the end [D] of the fusing roller. Temperature Control The

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