Service Guide
27
T1
Fuser Upper Error T1 Power Off/On
T1-Fuser Upper Error
T2
Fuser Lower Error T2 Power Off/On
T2-Fuser Lower error
1. Remove and install the fuser.
2. Test the thermistors inside the fuser using the test described in “Switch
scan test” on page 63.
3. Replace the fuser.
4. Replace the low-voltage power supply.
5. Replace the engine controller board.
U0
Engine ROM Error U0 Power Off/On
U0-Engine ROM Error
U1
Engine RAM Error U1 Power Off/On
U1-Engine RAM Error
U2
Engine EPROM Error U2 Power Off/On
U2-Engine EPROM Error
U3
Engine EPROM Missing U3 Power Off/On
U3-Engine EPROM Missing
U4
Engine SRAM Error U4 Power Off/On
U4-Engine SRAM Error
U5
Engine Control Error U5 Power Off/On
U5-Engine Control Error
1. Turn the printer off and then on
2. Reset the printer NVRAM using the procedure “Resetting NVRAM” on
page 85.
3. Replace the engine controller board.
U6
Power Supply Error U6 Power Off/On
U6-Power Supply Error
1. Inspect the main cooling fan. Ensure it is running correctly and is not
blocked.
2. Turn the printer off and then on.
3. Replace the low-voltage power supply.
4. Replace the engine controller board.
U7
Feeder Home Error U7 Power Off/On
U7-Feeder Home Error
1. Test the manual bypass feeder home sensor using the test described in
“Switch scan test” on page 63.
2. Inspect the sensor and its wiring harness.
3. Replace the engine controller board.
U8
Controller Fan Error U8 Power Off/On
U8-Controller Fan Error
1. Inspect the electrical chassis fan to see if it is running and not blocked.
2. Inspect the fan’s wiring harness.
3. Replace the fan.
4. Replace the engine controller board.
U9
Supply Fan Error U9 Power Off/On
U9-Supply Fan Error
1. Inspect the main cooling fan to see if it is running and not blocked.
2. Inspect the fan’s wiring harness.
3. Replace the fan.
4. Replace the engine controller board.
Printer fault messages
Code
Front panel message
Service message
Содержание 1235DT - Phaser Color Solid Ink Printer
Страница 13: ...xiv Phaser 1235 Network Color Printer...
Страница 33: ...20 Phaser 1235 Network Color Printer...
Страница 77: ...64 Phaser 1235 Network Color Printer...
Страница 93: ......
Страница 97: ......
Страница 99: ......
Страница 103: ...90 Phaser 1235 Network Color Printer...
Страница 134: ...Service Guide 121 Reverse these steps to install the paper size sensing board Removing the paper size sensing board...
Страница 199: ......
Страница 202: ...Service Guide 189 Figure 1 Cabinet FRUs...
Страница 204: ...Service Guide 191 Figure 2 Top cover FRUs...
Страница 206: ...Service Guide 193 Figure 3 Printer chassis FRUs 1 of 2...
Страница 208: ...Service Guide 195 Figure 4 Printer chassis FRUs 2 of 2...
Страница 210: ...Service Guide 197 Figure 5 Paper tray FRUs...
Страница 212: ...Service Guide 199 Figure 6 Paper tray guide FRUs...
Страница 214: ...Service Guide 201 Figure 7 Multi sheet bypass feeder FRUs...
Страница 216: ...Service Guide 203 Figure 8 Electrical components FRUs...
Страница 217: ...204 Phaser 1235 Network...
Страница 218: ...Service Guide 205 Figure 9 Duplexer unit...
Страница 220: ...Service Guide 207 Figure 10 LowerTray Assembly FRUs...
Страница 228: ...Service Guide 215 Wiring Diagram Wiring diagram part 1 of 3...
Страница 229: ...216 Phaser 1235 Network Color Printer Wiring diagram part 2 of 3...
Страница 230: ...Service Guide 217 Wiring diagram part 3 of 3...
Страница 231: ...218 Phaser 1235 Network Color Printer Wire routing at the engine controller board Tie wraps Bundle wires thru EMI coils...
Страница 232: ...Service Guide 219 Wire routing at the top of the engine controller board Tie wrap...
Страница 233: ...220 Phaser 1235 Network Color Printer Detail of wiring passthru...
Страница 235: ...222 Phaser 1235 Network Color Printer...
Страница 236: ...NOTES...
Страница 237: ...NOTES...
Страница 238: ...NOTES...
Страница 239: ...NOTES...