Service Manual
Page 87
...is off) If the standby state lasts five minutes or more, the fuser/ delivery motor is rotated for toner level Optional interface communication (duplexer, tray 1, tray 4, paper handling) Cassette checks (lifting and loading status) Jam check (auto flush/eject) Fuser-wrapping-jam detect Door open/...sleep check Fuser-roller temperature control and delivery motor STBY From the end of the WAIT z ...
...is off) If the standby state lasts five minutes or more, the fuser/ delivery motor is rotated for toner level Optional interface communication (duplexer, tray 1, tray 4, paper handling) Cassette checks (lifting and loading status) Jam check (auto flush/eject) Fuser-wrapping-jam detect Door open/...sleep check Fuser-roller temperature control and delivery motor STBY From the end of the WAIT z ...
Service Manual
Page 110
... is transported correctly to the printer. z Residual jam. Tray 1 utilizes the separation roller method for its initial position.... cam to tray 1, the top cover is closed (or when the tray returns from each other. The CPU in tray 1 detects the...operation Jam detection The tray 1 paper path sensor (PS2502) determines whether or not media is brought to the tray. When a multifeed... solenoid, the CPU stops the motor once, and then restarts it. When the tray 1 pickup unit turns on the...after the start of the second motor rotation. Pickup and feed The tray 1 pickup unit picks up media ...
... is transported correctly to the printer. z Residual jam. Tray 1 utilizes the separation roller method for its initial position.... cam to tray 1, the top cover is closed (or when the tray returns from each other. The CPU in tray 1 detects the...operation Jam detection The tray 1 paper path sensor (PS2502) determines whether or not media is brought to the tray. When a multifeed... solenoid, the CPU stops the motor once, and then restarts it. When the tray 1 pickup unit turns on the...after the start of the second motor rotation. Pickup and feed The tray 1 pickup unit picks up media ...
Service Manual
Page 111
... supply unit through the driver PCA. See "Tray 4 diagnostics" in tray 4 holds a 16-bit microcomputer (IC1) that controls the tray 4 operational sequence and serial communications with media and closed, the paper deck starts lifting the stack to the pickup position. Tray 4 Tray 4 is a 2,000-sheet feeder that picks...the driver PCA. +24V is then supplied to the lifter, feed, and pickup motors to deliver media, the drive rollers pick up and feeds media into the printer. When the formatter instructs tray 4 to drive them. The power unit utilizes a standalone switch so that the formatter...
... supply unit through the driver PCA. See "Tray 4 diagnostics" in tray 4 holds a 16-bit microcomputer (IC1) that controls the tray 4 operational sequence and serial communications with media and closed, the paper deck starts lifting the stack to the pickup position. Tray 4 Tray 4 is a 2,000-sheet feeder that picks...the driver PCA. +24V is then supplied to the lifter, feed, and pickup motors to deliver media, the drive rollers pick up and feeds media into the printer. When the formatter instructs tray 4 to drive them. The power unit utilizes a standalone switch so that the formatter...
Service Manual
Page 147
...109. • Transfer-roller assembly. See page 120. • Tray 2 and tray 3. See page 121. • PIU. Transfer-guide assembly Right assemblies 131 See page 126. • Registration assembly. See page 142. You do not need to remove the drum motor. 2 Remove two gold screws (callout 1) from the transfer-guide... assembly. 3 Push in and release the two plastic tabs (callout 2) to the right of each screw. 4 Lift the transfer-guide assembly up, rotate it forward slightly, and...
...109. • Transfer-roller assembly. See page 120. • Tray 2 and tray 3. See page 121. • PIU. Transfer-guide assembly Right assemblies 131 See page 126. • Registration assembly. See page 142. You do not need to remove the drum motor. 2 Remove two gold screws (callout 1) from the transfer-guide... assembly. 3 Push in and release the two plastic tabs (callout 2) to the right of each screw. 4 Lift the transfer-guide assembly up, rotate it forward slightly, and...
Service Manual
Page 167
... left side cover. 2 Pull the top edge of the cover outward. 3 Lift the left side cover up and outward to remove it from tray 4: z Left side cover z Right side cover z Back covers z Tray assembly z Tray 4 rollers (pickup, feed, and separation) z Registration assembly z Drive motor z Drive assembly z Controller board z Paper-size detection switch PCB z Power supply...
... left side cover. 2 Pull the top edge of the cover outward. 3 Lift the left side cover up and outward to remove it from tray 4: z Left side cover z Right side cover z Back covers z Tray assembly z Tray 4 rollers (pickup, feed, and separation) z Registration assembly z Drive motor z Drive assembly z Controller board z Paper-size detection switch PCB z Power supply...
Service Manual
Page 238
...lifted from the paper path. Open tray 4, and remove any media from the tray. Replace the corresponding FRU. 5 To stop the test, return the power-supply switch to the operational mode, and set the DIP switches on the controller PCA to diagnostic mode, pull the blue power-supply switch outward. The motors start. If tray... 4 is in place (secured by one screw). • Pull out the sensor unit. 3 To set the power-supply switch to the off position (see table 24). To prevent excessive jams during this test, use the LED that tray 4 is functioning...
...lifted from the paper path. Open tray 4, and remove any media from the tray. Replace the corresponding FRU. 5 To stop the test, return the power-supply switch to the operational mode, and set the DIP switches on the controller PCA to diagnostic mode, pull the blue power-supply switch outward. The motors start. If tray... 4 is in place (secured by one screw). • Pull out the sensor unit. 3 To set the power-supply switch to the off position (see table 24). To prevent excessive jams during this test, use the LED that tray 4 is functioning...
Service Manual
Page 239
... the door, and remove the media. Note Note Table 24. If neither if these is working correctly, it picks up media from the tray and feeds it to make sure that it lifts smoothly. station jam/initial jam 2 3 13.11.31 If the media did not reach the sensor, open Close the.... DIP switch settings DIP switch Normal 1 Off 2 Off 3 Off 4 Off Motor test On On Off On Stand-alone running test On Off Off On Sensor test Off Off On On Make sure that the paper-size plates are correctly installed (in tray Load the media, or check the sensors. Then, replace the...
... the door, and remove the media. Note Note Table 24. If neither if these is working correctly, it picks up media from the tray and feeds it to make sure that it lifts smoothly. station jam/initial jam 2 3 13.11.31 If the media did not reach the sensor, open Close the.... DIP switch settings DIP switch Normal 1 Off 2 Off 3 Off 4 Off Motor test On On Off On Stand-alone running test On Off Off On Sensor test Off Off On On Make sure that the paper-size plates are correctly installed (in tray Load the media, or check the sensors. Then, replace the...