LASERJET ENTERPRISE 700
Troubleshooting Manual
2
3
M712
Downloaded from www.Manualslib.com manuals search engine
Downloaded from www.Manualslib.com manuals search engine
HP LaserJet Enterprise 700 M712
Troubleshooting Manual
Downloaded from www.Manualslib.com manuals search engine
Copyright and License
© 2012 Copyright Hewlett-Packard
Development Company, L.P.
Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws.
The information contained herein is subject to change without notice.
The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
Part number: CF235-90963
Edition 1, 11/2012
Trademark Credits
Adobe®, Adobe Photoshop®, Acrobat®, and PostScript® are trademarks of Adobe Systems Incorporated.
Apple and the Apple logo are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. iPod is a trademark of Apple Computer, Inc. iPod is for legal or rightholder-authorized copying only. Don't steal music.
Microsoft®, Windows®, Windows® XP, and Windows Vista® are U.S. registered trademarks of Microsoft Corporation.
UNIX® is a registered trademark of The Open Group.
Downloaded from www.Manualslib.com manuals search engine
Conventions used in this guide
TIP: Tips provide helpful hints or shortcuts.
NOTE: Notes provide important information to explain a concept or to complete a task.
CAUTION: Cautions indicate procedures that you should follow to avoid losing data or damaging the product.
WARNING! Warnings alert you to specific procedures that you should follow to avoid personal injury, catastrophic loss of data, or extensive damage to the product.
ENWW |
iii |
Downloaded from www.Manualslib.com manuals search engine
iv |
Conventions used in this guide |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
Table of contents
1 Theory of operation .......................................................................................................... |
1 |
Basic operation ........................................................................................................................ |
2 |
Function structure ...................................................................................................... |
2 |
Operation sequence .................................................................................................. |
2 |
Engine control system ............................................................................................................... |
4 |
DC controller PCA ..................................................................................................... |
5 |
Motor control ............................................................................................. |
6 |
Motor locations ........................................................................... |
7 |
Failure detection ......................................................................... |
7 |
Fan control ................................................................................................ |
8 |
Fan locations .............................................................................. |
9 |
Failure detection ......................................................................... |
9 |
Low-voltage power-supply PCA ................................................................................. |
10 |
Over-current/over-voltage/overload protection ............................................ |
11 |
Safety interruption .................................................................................... |
11 |
Power supply voltage detection .................................................................. |
11 |
Sleep mode ............................................................................................. |
12 |
Power supply illumination control ............................................................... |
12 |
High-voltage power-supply PCA ................................................................................ |
13 |
Fuser control ........................................................................................................... |
15 |
Fuser temperature control .......................................................................... |
17 |
Fuser heater protective function .................................................................. |
17 |
Fuser failure detection ............................................................................... |
18 |
Pressure roller cleaning ............................................................................. |
19 |
Laser scanner system .............................................................................................................. |
20 |
Laser scanner failure detection .................................................................................. |
21 |
Laser scanner safety function .................................................................................... |
21 |
Image-formation system ........................................................................................................... |
22 |
Image-formation process .......................................................................................... |
23 |
Latent-image formation block ..................................................................... |
24 |
Step 1: primary charging ........................................................... |
24 |
Step 2: laser-beam exposure ....................................................... |
25 |
ENWW |
v |
Downloaded from www.Manualslib.com manuals search engine
Development block ................................................................................... |
25 |
Step 3: developing .................................................................... |
25 |
Transfer block .......................................................................................... |
26 |
Step 4: image transfer ............................................................... |
26 |
Step 5: separation from the drum ................................................ |
26 |
Fuser block .............................................................................................. |
27 |
Step 6: fusing ........................................................................... |
27 |
Drum-cleaning block ................................................................................. |
27 |
Step 7: drum cleaning ............................................................... |
27 |
Toner cartridge ....................................................................................................... |
27 |
Other image-formation functions ............................................................................... |
29 |
Drum discharge ....................................................................................... |
29 |
Transfer roller cleaning ............................................................................. |
29 |
Environment change control ....................................................................... |
30 |
Pickup, feed, and delivery system ............................................................................................. |
31 |
Pickup and feed block ............................................................................................. |
34 |
Cassette pickup ........................................................................................ |
35 |
Cassette media-size detection and cassette-presence detection ....................... |
35 |
Cassette lift operation ............................................................................... |
36 |
Lift-up operation ........................................................................ |
36 |
Lift-down operation .................................................................... |
36 |
Cassette media-presence detection ............................................................. |
37 |
Cassette multiple-feed prevention ................................................................ |
37 |
MP tray pickup ........................................................................................ |
39 |
MP tray media-presence detection .............................................................. |
39 |
MP tray multiple-feed prevention ................................................................ |
40 |
Feed-speed control ................................................................................... |
40 |
Skew-feed prevention ................................................................................ |
42 |
Media-length detection ............................................................................. |
43 |
Fuse and delivery block ........................................................................................... |
44 |
Loop control ............................................................................................ |
44 |
Output bin media-full detection .................................................................. |
46 |
Jam detection ......................................................................................................... |
47 |
No pick jam 1 ......................................................................................... |
47 |
Feed stay jam 1 ....................................................................................... |
48 |
Fuser output delay jam 1 ........................................................................... |
48 |
Fuser output stay jam 1 ............................................................................. |
48 |
Output delay jam 1 .................................................................................. |
48 |
Output delay jam 2 .................................................................................. |
48 |
Output stay jam 1 .................................................................................... |
48 |
Residual paper jam 1 ............................................................................... |
49 |
vi |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
Fuser wrap jam 1 ..................................................................................... |
49 |
Door open jam 1 ..................................................................................... |
49 |
Multiple-feed jam 1 .................................................................................. |
49 |
Automatic delivery .................................................................................................. |
49 |
500-sheet paper feeder (Tray 4) .............................................................................................. |
50 |
500-sheet paper feeder motor control ........................................................................ |
51 |
500-sheet paper feeder failure detection ..................................................... |
51 |
500-sheet paper feeder pickup and feed operation ..................................................... |
52 |
500-sheet paper feeder cassette pickup ...................................................... |
53 |
500-sheet paper feeder cassette media-size detection and cassette-presence |
|
detection ................................................................................................. |
53 |
500-sheet paper feeder lift-up operation ..................................................... |
54 |
500-sheet paper feeder cassette media-presence detection ............................ |
55 |
500-sheet paper feeder cassette multiple-feed prevention .............................. |
55 |
500-sheet paper feeder jam detection ....................................................................... |
56 |
No pick jam 2 ......................................................................................... |
56 |
Residual paper jam 1 ............................................................................... |
56 |
Door open jam 1 ..................................................................................... |
57 |
500-sheet paper feeder automatic delivery ................................................................. |
57 |
1x500 and 3x500 paper feeder and stand .............................................................................. |
58 |
Paper deck motor control ......................................................................................... |
61 |
Paper deck failure detection ...................................................................... |
61 |
Paper deck pickup-and-feed operation ....................................................................... |
61 |
Paper deck cassette media-size detection and cassette-presence detection ....... |
63 |
Paper deck lift-up operation ....................................................................... |
64 |
Paper deck cassette media-presence detection ............................................. |
65 |
Paper deck jam detection ......................................................................................... |
65 |
No pick jam 2 ......................................................................................... |
65 |
No pick jam 3 (3x500-sheet paper deck only) ............................................. |
66 |
Residual paper jam 1 ............................................................................... |
66 |
Door open jam 1 ..................................................................................... |
66 |
Paper deck automatic delivery .................................................................................. |
66 |
3,500-sheet high-capacity input (HCI) feeder ............................................................................. |
67 |
HCI motor control .................................................................................................... |
69 |
HCI failure detection ................................................................................. |
69 |
HCI pickup-and-feed operation ................................................................................. |
70 |
HCI cassette media-size detection and cassette-presence detection ................. |
71 |
HCI lift-up operation ................................................................................. |
72 |
HCI cassette media-presence detection ....................................................... |
72 |
HCI jam detection ................................................................................................... |
74 |
No pick jam 2 ......................................................................................... |
74 |
ENWW |
vii |
Downloaded from www.Manualslib.com manuals search engine
No pick jam 3 ......................................................................................... |
74 |
Residual paper jam 1 ............................................................................... |
75 |
Door open jam 1 ..................................................................................... |
75 |
HCI automatic delivery ............................................................................................ |
75 |
Duplexer ............................................................................................................................... |
76 |
Duplexer motor control ............................................................................................ |
77 |
Duplexer motor failure detection ................................................................. |
77 |
Duplexer fan control ................................................................................................ |
78 |
Duplexer fan failure detection .................................................................... |
78 |
Duplexer reverse and feed operation ......................................................................... |
78 |
Duplexer reverse and feed operation sequence ............................................ |
79 |
Side misregistration detection .................................................................... |
80 |
Side misregistration failure detection ............................................ |
82 |
Duplexer jam detection ............................................................................................ |
82 |
Fuser output stay jam 2 ............................................................................. |
82 |
Reverse jam 1 .......................................................................................... |
83 |
Duplex re-pickup jam 1 ............................................................................. |
83 |
Duplex re-pickup jam 2 ............................................................................. |
83 |
Duplex re-pickup jam 3 ............................................................................. |
83 |
Residual paper jam 1 ............................................................................... |
83 |
Duplexer automatic delivery ..................................................................................... |
83 |
2 Solve problems ............................................................................................................... |
85 |
Solve problems checklist ......................................................................................................... |
86 |
Menu map ............................................................................................................................ |
88 |
Preboot menu options ............................................................................................................. |
89 |
Current settings pages ............................................................................................................ |
97 |
Troubleshooting process .......................................................................................................... |
98 |
Determine the problem source ................................................................................... |
98 |
Troubleshooting flowchart ......................................................................... |
98 |
Power subsystem ..................................................................................................... |
99 |
Power-on checks ...................................................................................... |
99 |
Power-on troubleshooting overview .............................................. |
99 |
Tools for troubleshooting ....................................................................................................... |
101 |
Individual component diagnostics ............................................................................ |
101 |
LED diagnostics ...................................................................................... |
101 |
Understand lights on the formatter ............................................. |
101 |
Engine diagnostics ................................................................................. |
104 |
Engine-test button .................................................................... |
104 |
Paper path test ....................................................................................... |
106 |
Paper path sensor tests ........................................................................... |
106 |
viii |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
Manual sensor tests ................................................................................ |
108 |
Cartridge door switch (SW3) .................................................... |
110 |
Left door switch (SW1) ............................................................. |
111 |
Right door sensor (SR8) ............................................................ |
112 |
Cartridge install sensor (SR1) .................................................... |
113 |
Top (top-of-page) sensor (SR9) .................................................. |
114 |
Fuser loop sensor (SR6) ............................................................ |
115 |
Fuser output sensor (SR12) ....................................................... |
116 |
Duplex switchback sensor (SR1) ................................................ |
117 |
Duplexer refeed sensor (SR2) .................................................... |
118 |
Tray 4 feed sensor (SR1) .......................................................... |
119 |
Output sensor (SR3) ................................................................. |
120 |
Tray/bin manual sensor tests ................................................................... |
121 |
Main product trays .................................................................. |
123 |
Optional 500-sheet paper tray (Tray 4) ...................................... |
131 |
1x500 and 3x500 paper deck trays ......................................... |
136 |
HCI trays ................................................................................ |
138 |
Print/stop test ........................................................................................ |
144 |
Component tests ..................................................................................... |
145 |
Control-panel tests ................................................................... |
145 |
Half self-test ............................................................................ |
145 |
Drum rotation test check ........................................................... |
146 |
Component test (special-mode test) ............................................ |
146 |
Diagrams ............................................................................................................. |
148 |
Block diagrams ...................................................................................... |
148 |
Location of connectors ............................................................................ |
153 |
DC controller connections ......................................................... |
153 |
Plug/jack locations ................................................................................. |
155 |
Locations of major components ................................................................ |
156 |
General timing charts ............................................................................. |
171 |
Circuit diagrams .................................................................................... |
172 |
Internal test pages ................................................................................................. |
174 |
Clean the paper path ............................................................................. |
174 |
Set up an auto cleaning page ................................................... |
174 |
Print a configuration page ....................................................................... |
175 |
Configuration page ................................................................. |
175 |
HP embedded Jetdirect page .................................................... |
176 |
Finding important information on the configuration pages ............ |
177 |
Control panel menus .............................................................................................. |
178 |
Administration menu ............................................................................... |
178 |
Reports menu .......................................................................... |
178 |
ENWW |
ix |
Downloaded from www.Manualslib.com manuals search engine
General Settings menu ............................................................. |
179 |
General Print Settings menu ...................................................... |
185 |
Default Print Options menu ....................................................... |
188 |
Display Settings menu .............................................................. |
189 |
Manage Supplies menu ........................................................... |
191 |
Manage Trays menu ................................................................ |
192 |
Network Settings menu ............................................................ |
194 |
Troubleshooting menu .............................................................. |
208 |
Device Maintenance menu ...................................................................... |
210 |
Backup/Restore menu .............................................................. |
210 |
Calibration/Cleaning menu ...................................................... |
211 |
USB Firmware Upgrade menu ................................................... |
212 |
Service menu .......................................................................... |
212 |
Interpret control-panel messages ............................................................................. |
213 |
Control-panel message types ................................................................... |
213 |
Control-panel messages .......................................................................... |
213 |
11.00.YY Internal clock error To continue, touch “OK” ................ |
213 |
20.00.00 Insufficient memory: <Device> To continue, touch “OK” 213 |
|
21.00.00 Page too complex To continue, touch “OK” ................. |
214 |
33.WX.YZ Used board/disk installed ........................................ |
214 |
40.00.01 USB I/O buffer overflow To continue, touch “OK” ........ |
214 |
40.00.02 Embedded I/O buffer overflow To continue, touch “OK” 214 |
|
40.00.03 EIO <X> buffer overflow To continue, touch “OK” ........ |
214 |
40.00.04 EIO <X> bad transmission To continue, touch “OK” ..... |
215 |
40.00.05 Embedded I/O bad transmission To continue, touch |
|
“OK” ..................................................................................... |
215 |
41.03.YZ Unexpected size in Tray <X> ..................................... |
215 |
41.03.YZ Unexpected size in Tray <X> To use another tray, touch |
|
"Options" ............................................................................... |
216 |
41.05.YZ Unexpected type in Tray <X> ..................................... |
216 |
41.05.YZ Unexpected type in Tray <X> To use another tray, |
|
touch "Options" ...................................................................... |
217 |
41.WX.YZ Error To use another tray, touch "Options" ................. |
218 |
47.FC.YZ Printer calibration failed To continue, touch “OK” ......... |
220 |
47.WX.YZ Printer calibration failed ........................................... |
221 |
49.XX.YY Error To continue turn off then on ................................ |
221 |
50.WX.YZ Fuser error To continue turn off then on ...................... |
221 |
51.00.YY Error To continue turn off then on ................................ |
225 |
52.00.00 Error To continue turn off then on ............................... |
225 |
52.00.20 Error To continue turn off then on ............................... |
226 |
52.<XX>.00 Error To continue turn off then on ............................ |
226 |
x |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
54.XX.YY Error ....................................................................... |
226 |
55.XX.YY DC controller error To continue turn off then on ............ |
227 |
56.00.YY Error To continue turn off then on ................................ |
227 |
57.00.0X Error ....................................................................... |
228 |
58.00.04 Error To continue turn off then on ............................... |
228 |
59.00.00 Error To continue turn off then on ............................... |
228 |
59.00.20 Error To continue turn off then on ............................... |
229 |
59.00.30 Error To continue turn off then on ............................... |
229 |
59.00.40 Error To continue turn off then on ............................... |
229 |
59.05.50 Error To continue turn off then on ............................... |
229 |
59.05.60 Error To continue turn off then on ............................... |
230 |
60.00.0Y Tray <Y> lifting error ................................................ |
230 |
62.00.00 No system To continue turn off then on ........................ |
230 |
69.11.YY Error To continue, touch “OK” .................................... |
231 |
70.00.00 Error To continue turn off then on ............................... |
231 |
81.WX.YZ Embedded JetDirect Error To continue turn off then on . . |
231 |
81.YY.YY EIO Error To continue turn off then on ......................... |
232 |
98.00.0X Corrupt data in X volume ........................................... |
232 |
<Binname> full Remove all paper from bin ................................. |
232 |
Bad optional tray connection .................................................... |
233 |
Black Cartridge low ................................................................. |
233 |
Black Cartridge very low .......................................................... |
233 |
Black Cartridge very low To continue, touch “OK” ...................... |
233 |
Card slot device failure To clear touch “Clear” ........................... |
234 |
Card slot file operation failed To clear touch “Clear” ................... |
234 |
Card slot file system is full To clear touch “Clear” ........................ |
234 |
Card slot is write protected To clear touch “Clear” ...................... |
234 |
Card slot not initialized To clear touch “Clear” ........................... |
234 |
Cartridge ship mode ................................................................ |
235 |
Chosen personality not available To continue, touch “OK” ........... |
235 |
Cleaning disk <X>% complete Do not power off ......................... |
235 |
Close left door ........................................................................ |
235 |
Close top cover ....................................................................... |
236 |
Data received ......................................................................... |
236 |
Disk full Delete stored jobs ........................................................ |
236 |
Disk low Delete stored jobs ....................................................... |
236 |
EIO <X> disk not functional ...................................................... |
237 |
EIO <X> disk spinning up ......................................................... |
237 |
EIO device failure To clear touch “Clear” ................................... |
237 |
EIO file operation failed To clear touch “Clear” .......................... |
237 |
EIO file system is full To clear touch “Clear” ............................... |
237 |
ENWW |
xi |
Downloaded from www.Manualslib.com manuals search engine
EIO is write protected To clear touch “Clear” .............................. |
238 |
EIO not initialized To clear touch “Clear” ................................... |
238 |
Event log is empty ................................................................... |
238 |
Fuser Kit Low .......................................................................... |
238 |
Fuser Kit very low .................................................................... |
238 |
Fuser Kit very low To continue, touch “OK” ................................ |
239 |
Incompatible <supply> ............................................................. |
239 |
Incompatible supplies .............................................................. |
239 |
Initializing... ........................................................................... |
240 |
Install Black Cartridge .............................................................. |
240 |
Install Fuser Unit ...................................................................... |
240 |
Install supplies ........................................................................ |
240 |
Internal disk device failure To clear touch “Clear” ....................... |
240 |
Internal disk file operation failed To clear touch “Clear” ............... |
241 |
Internal disk file system is full To clear touch “Clear” .................... |
241 |
Internal disk is write protected To clear touch “Clear” .................. |
241 |
Internal disk not found ............................................................. |
241 |
Internal disk not functional ........................................................ |
241 |
Internal disk not initialized To clear touch “Clear” ....................... |
242 |
Internal disk spinning up .......................................................... |
242 |
Load Tray 1 [Type] [Size] ......................................................... |
242 |
Load Tray 1 [Type] [Size] To continue, touch “OK” ...................... |
242 |
Load Tray <X>: [Size] .............................................................. |
242 |
Load Tray <X>: [Size] To continue, touch “OK” .......................... |
243 |
Load Tray <X>: [Size] To use another tray, touch "Options" ......... |
243 |
Load Tray <X>: [Type], [Size] ................................................... |
243 |
Load Tray <X>: [Type], [Size] To use another tray, touch |
|
"Options" ............................................................................... |
244 |
Manually feed output stack Then touch "OK" to print second sides 244 |
|
Manually feed: [Size] .............................................................. |
245 |
Manually feed: [Size] To continue, touch “OK” ........................... |
245 |
Manually feed: [Size] To use another tray, touch "Options" .......... |
245 |
Manually feed: [Type], [Size] To continue, touch “OK” ................ |
246 |
Manually feed: [Type], [Size] To use another tray, touch |
|
"Options" ............................................................................... |
246 |
No job to cancel ..................................................................... |
246 |
Output Bin full ......................................................................... |
246 |
Paperless mode ....................................................................... |
247 |
Printing Engine Test... .............................................................. |
247 |
Printing stopped To continue, touch “OK” ................................... |
247 |
RAM Disk device failure To clear touch “Clear” .......................... |
247 |
xii |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
RAM Disk file operation failed To clear touch “Clear” .................. |
247 |
RAM Disk file system is full To clear touch “Clear” ....................... |
248 |
RAM Disk is write protected To clear touch “Clear” ..................... |
248 |
RAM Disk not initialized To clear touch “Clear” .......................... |
248 |
Remove cartridge lock ............................................................. |
248 |
Remove the toner cartridge ....................................................... |
248 |
Replace Black Cartridge ........................................................... |
249 |
Replace Fuser Kit ..................................................................... |
249 |
Replace supplies ..................................................................... |
249 |
ROM disk device failed To clear touch “Clear” ........................... |
250 |
ROM disk file operation failed To clear touch “Clear” .................. |
250 |
ROM disk file system is full To clear touch “Clear” ....................... |
250 |
ROM disk is write protected To clear touch “Clear” ..................... |
250 |
ROM disk not initialized To clear touch “Clear” .......................... |
250 |
Size mismatch in Tray <X> ....................................................... |
251 |
Standard bin full Remove all paper from bin ............................... |
251 |
Supplies low ........................................................................... |
251 |
Supplies very low To continue, touch “OK” ................................. |
251 |
Supply memory warning .......................................................... |
252 |
Tray <X> empty: [Size] ............................................................ |
252 |
Tray <X> empty: [Type], [Size] ................................................. |
252 |
Tray <X> open ........................................................................ |
252 |
Tray <X> overfilled Remove excess paper .................................. |
253 |
Tray <X> overfilled To use another tray, touch "Options" ............. |
253 |
Type mismatch Tray <X> .......................................................... |
253 |
Unable to cancel firmware update job ....................................... |
254 |
Unable to install the firmware ................................................... |
254 |
Unsupported drive installed ...................................................... |
254 |
Unsupported supply in use ........................................................ |
254 |
Unsupported supply installed .................................................... |
255 |
Unsupported supply installed To continue, touch “OK” ................. |
255 |
Unsupported tray configuration ................................................. |
255 |
Unsupported USB accessory detected Remove USB accessory ....... |
255 |
Upgrade complete To continue turn off then on ........................... |
256 |
USB accessory needs too much power Remove USB and turn off |
|
then on .................................................................................. |
256 |
USB accessory not functional .................................................... |
256 |
USB hubs are not fully supported Some operations may not work |
|
properly ................................................................................. |
256 |
USB is write protected To clear touch “Clear” ............................. |
256 |
USB not initialized To clear touch “Clear” .................................. |
257 |
ENWW |
xiii |
Downloaded from www.Manualslib.com manuals search engine
USB storage accessory removed Clearing any associated data |
..... 257 |
USB storage device failure To clear touch “Clear” ....................... |
257 |
USB storage file operation failed To clear touch “Clear” .............. |
257 |
USB storage file system is full To clear touch “Clear” ................... |
257 |
Used supply in use .................................................................. |
257 |
Used supply installed To continue, touch “OK” ............................ |
258 |
Event log messages ............................................................................................... |
259 |
Print or view an event log ........................................................................ |
260 |
Clear an event log .................................................................................. |
260 |
Event log message table .......................................................................... |
260 |
Clear jams .......................................................................................................................... |
263 |
Jam locations ........................................................................................................ |
263 |
Auto-navigation for clearing jams ............................................................................ |
263 |
Clear jams in the output-bin area ............................................................................ |
264 |
Clear jams in Tray 1 .............................................................................................. |
264 |
Clear jams in Tray 2 or Tray 3 ................................................................................ |
265 |
Clear jams in the 500-sheet trays ............................................................................ |
267 |
Clear jams in the 3,500-sheet high-capacity tray ....................................................... |
268 |
Clear jams from the toner-cartridge area .................................................................. |
271 |
Clear jams in the fuser ........................................................................................... |
274 |
Clear jams from the duplexer .................................................................................. |
276 |
Solve paper-handling problems .............................................................................................. |
277 |
The product picks up multiple sheets of paper ........................................................... |
277 |
The product does not pick up paper ........................................................................ |
277 |
Use manual print modes ....................................................................................................... |
278 |
Print quality troubleshooting tools ........................................................................................... |
280 |
Repetitive defects measurements .............................................................................. |
280 |
Solve image-quality problems ................................................................................................ |
281 |
Image defect examples .......................................................................................... |
281 |
Clean the product ................................................................................................................ |
289 |
Print a cleaning page ............................................................................................ |
289 |
Solve performance problems ................................................................................................. |
290 |
Solve connectivity problems ................................................................................................... |
291 |
Solve USB connection problems .............................................................................. |
291 |
Solve wired network problems ................................................................................ |
291 |
The product has a poor physical connection. ............................................. |
291 |
The computer is using the incorrect IP address for the product ...................... |
291 |
The computer is unable to communicate with the product ............................ |
292 |
The product is using incorrect link and duplex settings for the network .......... |
292 |
New software programs might be causing compatibility problems ................ |
292 |
The computer or workstation might be set up incorrectly .............................. |
292 |
xiv |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
The product is disabled, or other network settings are incorrect .................... |
292 |
Service mode functions ......................................................................................................... |
293 |
Service menu ........................................................................................................ |
293 |
Product resets ....................................................................................................... |
294 |
Restore factory-set defaults ....................................................................... |
294 |
Restore the service ID .............................................................................. |
294 |
Product cold reset ................................................................................... |
295 |
Format Disk and Partial Clean functions ................................................................... |
296 |
Active and repository firmware locations ................................................... |
296 |
Partial Clean ......................................................................................... |
296 |
Execute a 3 Partial Clean ......................................................... |
297 |
Format Disk ........................................................................................... |
297 |
Execute a 2 Format Disk ........................................................... |
298 |
Product firmware upgrades ................................................................................................... |
299 |
Determine the installed revision of firmware .............................................................. |
299 |
Perform a firmware upgrade ................................................................................... |
299 |
Embedded Web Server ........................................................................... |
299 |
USB storage device (Preboot menu) .......................................................... |
300 |
USB storage device (control-panel menu) ................................................... |
302 |
Appendix A Service and support ..................................................................................... |
303 |
Hewlett-Packard limited warranty statement ............................................................................. |
304 |
HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement ................. |
306 |
HP policy on non-HP supplies ................................................................................................ |
307 |
HP anticounterfeit Web site ................................................................................................... |
308 |
Data stored on the toner cartridge .......................................................................................... |
309 |
End User License Agreement .................................................................................................. |
310 |
OpenSSL ............................................................................................................................. |
313 |
Customer self-repair warranty service ..................................................................................... |
314 |
Customer support ................................................................................................................. |
315 |
Appendix B Product specifications ................................................................................... |
317 |
Physical specifications .......................................................................................................... |
318 |
Power consumption, electrical specifications, and acoustic emissions .......................................... |
318 |
Environmental specifications .................................................................................................. |
318 |
Appendix C Regulatory information ................................................................................. |
319 |
FCC regulations ................................................................................................................... |
320 |
Environmental product stewardship program ........................................................................... |
321 |
Protecting the environment ...................................................................................... |
321 |
ENWW |
xv |
Downloaded from www.Manualslib.com manuals search engine
Ozone production ................................................................................................. |
321 |
Power consumption ............................................................................................... |
321 |
Toner consumption ................................................................................................ |
321 |
Paper use ............................................................................................................. |
321 |
Plastics ................................................................................................................. |
321 |
HP LaserJet print supplies ....................................................................................... |
322 |
Return and recycling instructions ............................................................................. |
322 |
United States and Puerto Rico .................................................................. |
322 |
Multiple returns (more than one cartridge) .................................. |
322 |
Single returns .......................................................................... |
322 |
Shipping ................................................................................ |
322 |
Non-U.S. returns .................................................................................... |
323 |
Paper .................................................................................................................. |
323 |
Material restrictions ............................................................................................... |
323 |
Disposal of waste equipment by users ...................................................................... |
324 |
Electronic hardware recycling ................................................................................. |
324 |
Chemical substances ............................................................................................. |
324 |
Material Safety Data Sheet (MSDS) ......................................................................... |
324 |
For more information ............................................................................................. |
324 |
Declaration of conformity ...................................................................................................... |
326 |
Safety statements ................................................................................................................. |
328 |
Laser safety .......................................................................................................... |
328 |
Canadian DOC regulations .................................................................................... |
328 |
VCCI statement (Japan) .......................................................................................... |
328 |
Power cord instructions .......................................................................................... |
328 |
Power cord statement (Japan) ................................................................................. |
328 |
EMC statement (China) .......................................................................................... |
329 |
EMC statement (Korea) .......................................................................................... |
329 |
EMI statement (Taiwan) .......................................................................................... |
329 |
Laser statement for Finland ..................................................................................... |
329 |
GS statement (Germany) ........................................................................................ |
331 |
Substances Table (China) ....................................................................................... |
331 |
Restriction on Hazardous Substances statement (Turkey) ............................................. |
331 |
Restriction on Hazardous Substances statement (Ukraine) ........................................... |
331 |
Index ............................................................................................................................... |
333 |
xvi |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
List of tables
Table 1-1 Operation sequence ............................................................................................................... |
3 |
Table 1-2 Motor locations ...................................................................................................................... |
7 |
Table 1-3 Fan locations ......................................................................................................................... |
9 |
Table 1-4 Low voltage power supply DC power specifications .................................................................. |
10 |
Table 1-5 Pickup, feed, and delivery system sensors and switches ............................................................. |
32 |
Table 1-6 Pickup, feed, and delivery system solenoid and motors ............................................................. |
33 |
Table 1-7 Media switch combinations ................................................................................................... |
36 |
Table 1-8 500-sheet paper feeder electrical components ......................................................................... |
51 |
Table 1-9 500-sheet paper feeder motors .............................................................................................. |
51 |
Table 1-10 500-sheet paper feeder pickup and feed components ............................................................. |
52 |
Table 1-11 500-sheet paper feeder media switch combinations ................................................................ |
54 |
Table 1-12 Paper deck electrical components ......................................................................................... |
59 |
Table 1-13 Paper deck motors .............................................................................................................. |
61 |
Table 1-14 Paper deck pickup-and-feed operation components ................................................................ |
62 |
Table 1-15 Paper deck media switch combinations ................................................................................. |
63 |
Table 1-16 HCI electrical components ................................................................................................... |
68 |
Table 1-17 HCI motors ........................................................................................................................ |
69 |
Table 1-18 HCI pickup-and-feed operation components ........................................................................... |
70 |
Table 1-19 Duplexer electrical components ............................................................................................ |
77 |
Table 1-20 Duplexer motor .................................................................................................................. |
77 |
Table 1-21 Duplexer fan ...................................................................................................................... |
78 |
Table 1-22 Duplexer reverse and feed components ................................................................................. |
79 |
Table 2-1 Preboot menu options (1 of 6) ................................................................................................ |
90 |
Table 2-2 Preboot menu options (2 of 6) ................................................................................................ |
92 |
Table 2-3 Preboot menu options (3 of 6) ................................................................................................ |
93 |
Table 2-4 Preboot menu options (4 of 6) ................................................................................................ |
94 |
Table 2-5 Preboot menu options (5 of 6) ................................................................................................ |
94 |
Table 2-6 Preboot menu options (6 of 6) ................................................................................................ |
95 |
Table 2-7 Troubleshooting flowchart ...................................................................................................... |
98 |
Table 2-8 Heartbeat LED, product initialization ..................................................................................... |
102 |
Table 2-9 Paper-path sensors .............................................................................................................. |
107 |
Table 2-10 Manual sensor tests .......................................................................................................... |
108 |
ENWW |
xvii |
Downloaded from www.Manualslib.com manuals search engine
Table 2-11 Tray/bin manual sensor test ............................................................................................... |
121 |
Table 2-12 Component tests ............................................................................................................... |
146 |
Table 2-13 Product cross section ......................................................................................................... |
148 |
Table 2-14 Optional paper feeder (Tray 4) cross section ....................................................................... |
149 |
Table 2-15 1x500-sheet paper deck cross section ................................................................................. |
150 |
Table 2-16 3x500-sheet paper deck cross section ................................................................................. |
151 |
Table 2-17 3,500-sheet HCI cross section ............................................................................................ |
152 |
Table 2-18 DC controller connections .................................................................................................. |
153 |
Table 2-19 Plug/jack locations ........................................................................................................... |
155 |
Table 2-20 External component locations ............................................................................................. |
156 |
Table 2-21 Major component locations (1 of 3) .................................................................................... |
157 |
Table 2-22 Major component locations (2 of 3) .................................................................................... |
158 |
Table 2-23 Major component locations (3 of 3) .................................................................................... |
158 |
Table 2-24 PCA locations .................................................................................................................. |
159 |
Table 2-25 Motor locations ................................................................................................................ |
160 |
Table 2-26 Fan locations ................................................................................................................... |
160 |
Table 2-27 Roller locations ................................................................................................................. |
161 |
Table 2-28 500-sheet feeder external component locations .................................................................... |
162 |
Table 2-29 500-sheet feeder internal component locations ..................................................................... |
163 |
Table 2-30 1x500 paper deck external component locations ................................................................. |
164 |
Table 2-31 1x500 paper deck internal component locations .................................................................. |
165 |
Table 2-32 3x500 paper deck external component locations ................................................................. |
166 |
Table 2-33 3x500 paper deck internal component locations .................................................................. |
167 |
Table 2-34 HCI external component locations ...................................................................................... |
168 |
Table 2-35 HCI internal component locations (1 of 2) ........................................................................... |
169 |
Table 2-36 HCI internal component locations (2 of 2) ........................................................................... |
170 |
Table 2-37 Important information on the configuration pages ................................................................. |
177 |
Table 2-38 Reports menu ................................................................................................................ |
178 |
Table 2-39 General Settings menu ................................................................................................. |
179 |
Table 2-40 General Print Settings menu ........................................................................................ |
186 |
Table 2-41 Default Print Options menu .......................................................................................... |
188 |
Table 2-42 Display Settings menu .................................................................................................. |
190 |
Table 2-43 Manage Supplies menu ................................................................................................ |
191 |
Table 2-44 Manage Trays menu ..................................................................................................... |
193 |
Table 2-45 Network Settings menu ................................................................................................ |
195 |
Table 2-46 Jetdirect Menu ............................................................................................................. |
195 |
Table 2-47 Troubleshooting menu .................................................................................................. |
208 |
Table 2-48 Backup/Restore menu .................................................................................................. |
211 |
Table 2-49 Calibration/Cleaning menu .......................................................................................... |
211 |
Table 2-50 Print modes under the Adjust Paper Types sub menu ....................................................... |
278 |
Table 2-51 MP modes under the Optimize submenu ........................................................................... |
279 |
xviii |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
Table 2-52 Image defect examples ..................................................................................................... |
281 |
Table 2-53 Solve performance problems .............................................................................................. |
290 |
Table B-1 Product dimensions and weights ........................................................................................... |
318 |
Table B-2 Product dimensions with all doors and trays fully opened ........................................................ |
318 |
Table B-3 Operating-environment specifications .................................................................................... |
318 |
ENWW |
xix |
Downloaded from www.Manualslib.com manuals search engine
xx |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
List of figures
Figure 1-1 Function structure ................................................................................................................... |
2 |
Figure 1-2 Engine control system ............................................................................................................. |
4 |
Figure 1-3 DC controller PCA ................................................................................................................. |
5 |
Figure 1-4 Motor locations ..................................................................................................................... |
7 |
Figure 1-5 Fan locations ........................................................................................................................ |
9 |
Figure 1-6 Low-voltage power-supply PCA ............................................................................................. |
10 |
Figure 1-7 High-voltage power-supply PCA ............................................................................................ |
13 |
Figure 1-8 Fuser components ................................................................................................................ |
15 |
Figure 1-9 Fuser control system ............................................................................................................. |
16 |
Figure 1-10 Laser scanner system .......................................................................................................... |
20 |
Figure 1-11 Image-formation system ...................................................................................................... |
22 |
Figure 1-12 Image-formation components .............................................................................................. |
23 |
Figure 1-13 Image-formation process .................................................................................................... |
24 |
Figure 1-14 Primary charging ............................................................................................................... |
24 |
Figure 1-15 Laser-beam exposure ......................................................................................................... |
25 |
Figure 1-16 Developing ....................................................................................................................... |
25 |
Figure 1-17 Image transfer ................................................................................................................... |
26 |
Figure 1-18 Separation from the drum ................................................................................................... |
26 |
Figure 1-19 Fusing .............................................................................................................................. |
27 |
Figure 1-20 Drum cleaning .................................................................................................................. |
27 |
Figure 1-21 Toner cartridge components ................................................................................................ |
28 |
Figure 1-22 Drum discharge ................................................................................................................. |
29 |
Figure 1-23 Transfer roller cleaning ...................................................................................................... |
30 |
Figure 1-24 Pickup, feed, and delivery system ........................................................................................ |
31 |
Figure 1-25 Pickup, feed, and delivery system sensors and switches .......................................................... |
32 |
Figure 1-26 Pickup, feed, and delivery-system solenoid and motors ........................................................... |
33 |
Figure 1-27 Pickup and feed block ........................................................................................................ |
34 |
Figure 1-28 Cassette pickup mechanism ................................................................................................ |
35 |
Figure 1-29 Cassette lift operation ........................................................................................................ |
37 |
Figure 1-30 Cassette multiple feed prevention ........................................................................................ |
38 |
Figure 1-31 MP tray pickup .................................................................................................................. |
39 |
Figure 1-32 MP tray multiple-feed prevention .......................................................................................... |
40 |
ENWW |
xxi |
Downloaded from www.Manualslib.com manuals search engine
Figure 1-33 Skew-feed prevention ......................................................................................................... |
42 |
Figure 1-34 Fuse and delivery block ...................................................................................................... |
44 |
Figure 1-35 Loop control ...................................................................................................................... |
45 |
Figure 1-36 Output bin media-full detection ............................................................................................ |
46 |
Figure 1-37 Product engine jam detection sensors and switches ................................................................ |
47 |
Figure 1-38 500-sheet paper feeder paper path ..................................................................................... |
50 |
Figure 1-39 500-sheet paper feeder signal flow ..................................................................................... |
50 |
Figure 1-40 500-sheet paper feeder motor locations ............................................................................... |
51 |
Figure 1-41 500-sheet paper feeder pickup and feed components ............................................................ |
52 |
Figure 1-42 500-sheet paper feeder pickup and feed cassette pickup ....................................................... |
53 |
Figure 1-43 500-sheet paper feeder lift-up operation ............................................................................... |
54 |
Figure 1-44 500-sheet paper feeder multiple-feed prevention ................................................................... |
56 |
Figure 1-45 500-sheet paper feeder cassette jam detection sensor ............................................................ |
56 |
Figure 1-46 Paper deck paper path ...................................................................................................... |
58 |
Figure 1-47 Paper deck signal flow ....................................................................................................... |
59 |
Figure 1-48 Paper deck motors ............................................................................................................. |
61 |
Figure 1-49 Paper deck pickup and feed components ............................................................................. |
62 |
Figure 1-50 Paper deck lift-up operation ................................................................................................ |
64 |
Figure 1-51 Paper deck jam detection sensors ........................................................................................ |
65 |
Figure 1-52 HCI paper path ................................................................................................................. |
67 |
Figure 1-53 HCI signal flow ................................................................................................................. |
68 |
Figure 1-54 HCI motors ....................................................................................................................... |
69 |
Figure 1-55 HCI pickup-and-feed operation ............................................................................................ |
70 |
Figure 1-56 HCI lift-up operation .......................................................................................................... |
72 |
Figure 1-57 HCI jam detection sensors .................................................................................................. |
74 |
Figure 1-58 Duplexer paper path .......................................................................................................... |
76 |
Figure 1-59 Duplexer signal flow .......................................................................................................... |
76 |
Figure 1-60 Duplexer motor ................................................................................................................. |
77 |
Figure 1-61 Duplexer fan ..................................................................................................................... |
78 |
Figure 1-62 Duplexer reverse and feed operation ................................................................................... |
79 |
Figure 1-63 Duplexer side misregistration detection ................................................................................ |
81 |
Figure 1-64 Duplexer jam detection sensors ........................................................................................... |
82 |
Figure 2-1 Locating the engine-test-page switch ..................................................................................... |
105 |
Figure 2-2 Test the cartridge door switch ............................................................................................. |
110 |
Figure 2-3 Test the left door switch ...................................................................................................... |
111 |
Figure 2-4 Test the top sensor ............................................................................................................. |
114 |
Figure 2-5 Fuser loop sensor .............................................................................................................. |
115 |
Figure 2-6 Fuser output sensor ............................................................................................................ |
116 |
Figure 2-7 Duplex switchback sensor ................................................................................................... |
117 |
Figure 2-8 Duplexer refeed sensor ...................................................................................................... |
118 |
Figure 2-9 Tray 4 feed sensor ............................................................................................................. |
119 |
xxii |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
Figure 2-10 Output sensor ................................................................................................................. |
120 |
Figure 2-11 Tray 1 paper sensor ........................................................................................................ |
123 |
Figure 2-12 Tray 2 paper sensor ........................................................................................................ |
124 |
Figure 2-13 Tray 2 paper surface sensor ............................................................................................. |
125 |
Figure 2-14 Tray 2 paper size switches ............................................................................................... |
126 |
Figure 2-15 Tray 3 paper sensor ........................................................................................................ |
127 |
Figure 2-16 Tray 3 paper surface sensor ............................................................................................. |
128 |
Figure 2-17 Tray 3 paper size switches ............................................................................................... |
129 |
Figure 2-18 Output bin full sensor ....................................................................................................... |
130 |
Figure 2-19 Tray 4 paper sensor ........................................................................................................ |
131 |
Figure 2-20 Tray 4 paper surface sensor ............................................................................................. |
132 |
Figure 2-21 Tray 4 paper size switches ............................................................................................... |
133 |
Figure 2-22 Tray 4 feed sensor ........................................................................................................... |
134 |
Figure 2-23 Lower right door sensor .................................................................................................... |
135 |
Figure 2-24 Test the Tray 4 door switch ............................................................................................... |
136 |
Figure 2-25 Tray 4 paper sensor ........................................................................................................ |
138 |
Figure 2-26 Tray 4 paper surface sensor ............................................................................................. |
139 |
Figure 2-27 Tray 4 paper size sensor .................................................................................................. |
139 |
Figure 2-28 Tray 4 paper feed sensor ................................................................................................. |
140 |
Figure 2-29 Tray 4 door open sensor .................................................................................................. |
141 |
Figure 2-30 Tray 5 paper sensor ........................................................................................................ |
141 |
Figure 2-31 Tray paper surface sensor ................................................................................................ |
142 |
Figure 2-32 Tray 5 paper size sensor .................................................................................................. |
143 |
Figure 2-33 Tray 5 feed sensor ........................................................................................................... |
143 |
Figure 2-34 HCI exit sensor ................................................................................................................ |
144 |
Figure 2-35 Product cross section ........................................................................................................ |
148 |
Figure 2-36 Optional paper feeder (Tray 4) cross section ...................................................................... |
149 |
Figure 2-37 1x500-sheet paper deck cross section ................................................................................ |
150 |
Figure 2-38 3x500-sheet paper deck cross section ................................................................................ |
151 |
Figure 2-39 3,500-sheet HCI cross section ........................................................................................... |
152 |
Figure 2-40 DC controller connections ................................................................................................. |
153 |
Figure 2-41 External component locations ............................................................................................ |
156 |
Figure 2-42 Major component locations (1 of 3) ................................................................................... |
157 |
Figure 2-43 Major component locations (2 of 3) ................................................................................... |
158 |
Figure 2-44 Major component locations (3 of 3) ................................................................................... |
158 |
Figure 2-45 PCA locations ................................................................................................................. |
159 |
Figure 2-46 Motor locations ............................................................................................................... |
160 |
Figure 2-47 Fan locations .................................................................................................................. |
160 |
Figure 2-48 Roller locations ............................................................................................................... |
161 |
Figure 2-49 500-sheet feeder external component locations ................................................................... |
162 |
Figure 2-50 500-sheet feeder internal component locations .................................................................... |
163 |
ENWW |
xxiii |
Downloaded from www.Manualslib.com manuals search engine
Figure 2-51 1x500 paper deck external component locations ................................................................ |
164 |
Figure 2-52 1x500 paper deck internal component locations ................................................................. |
165 |
Figure 2-53 3x500 paper deck external component locations ................................................................ |
166 |
Figure 2-54 3x500 paper deck internal component locations ................................................................. |
167 |
Figure 2-55 HCI external component locations ..................................................................................... |
168 |
Figure 2-56 HCI internal component locations (1 of 2) .......................................................................... |
169 |
Figure 2-57 HCI internal component locations (2 of 2) .......................................................................... |
170 |
Figure 2-58 General timing chart ........................................................................................................ |
171 |
Figure 2-59 General circuit diagram (1 of 2) ....................................................................................... |
172 |
Figure 2-60 General circuit diagram (2 of 2) ....................................................................................... |
173 |
Figure 2-61 Configuration page ......................................................................................................... |
175 |
Figure 2-62 HP embedded Jetdirect page ............................................................................................ |
176 |
Figure 2-63 Sample event log ............................................................................................................ |
259 |
xxiv |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
1 Theory of operation
●Basic operation
●Engine control system
●Laser scanner system
●Image-formation system
●Pickup, feed, and delivery system
●500-sheet paper feeder (Tray 4)
●1x500 and 3x500 paper feeder and stand
●3,500-sheet high-capacity input (HCI) feeder
●Duplexer
ENWW |
1 |
Downloaded from www.Manualslib.com manuals search engine
Basic operation
Function structure
The product contains the following systems:
●Engine control system
●Laser scanner system
●Image-formation system
●Pickup, feed and delivery system
●Accessory
Figure 1-1 Function structure
Laser scanner system
Image-formation system
Engine control system
Pickup, feed and delivery system
Accessory
Operation sequence
The DC controller in the engine-control system controls the operational sequences. The following table describes durations and operations for each period of a print operation from when the product is turned on until the motors stop rotating.
2 |
Chapter 1 Theory of operation |
ENWW |
Downloaded from www.Manualslib.com manuals search engine
Table 1-1 Operation sequence
Period |
Duration |
Purpose |
|
|
|
|
|
WAIT period |
From the time the power switch |
Brings the product to the Ready state. |
|
|
is turned on, the door is closed |
● |
Detects the failure of the low-voltage power supply |
|
or product exits Sleep mode |
||
|
until the product is ready for a |
● |
Detects the connection with the accessories |
|
print operation. |
|
|
|
|
● |
Detects the presence of cartridge |
|
|
● |
Rotates and then stops each motor and fan |
|
|
● |
Checks the fuser temperature |
|
|
● |
Heats the fuser film |
|
|
● |
Detects any residual paper and clears it automatically |
|
|
● |
Initializes the high-voltage bias |
|
|
● |
Cleans the photosensitive drum |
|
|
● |
Detects the toner level |
|
|
|
|
STBY (Standby period) |
From the end of WAIT or LSTR |
Maintains the product in printable condition. |
|
|
period until either a print |
● |
Enters Sleep mode if the sleep command is received |
|
command is sent or the power |
||
|
switch is turned off. |
● |
Rotates and then stops each fan |
|
|
||
|
|
|
|
INTR (Initial rotation) |
From the time the print |
Prepares the product for a print job. |
|
|
command is received until the |
● |
Rotate the motors |
|
product picks up the paper. |
||
|
|
● |
Rotate the fans |
|
|
● |
Outputs the high-voltage bias |
|
|
● |
Starts up the laser scanner assembly |
|
|
● |
Warms up the fuser heater |
|
|
|
|
From the end of the INTR |
Processes the print job. |
||
|
period until the last sheet is |
● |
Forms the image on the photosensitive drum |
|
delivered. |
||
|
|
● |
Transfers toner to the paper |
|
|
● |
Fuses the toner image onto the paper |
|
|
|
|
LSTR (Last rotation) |
From the end of the PRINT |
Stops each load. |
|
|
period until the motor stops |
● |
Stops the motors and fans |
|
rotating. |
||
|
|
● |
Stops the high-voltage bias |
|
|
● |
Stops the laser scanner assembly |
|
|
● |
Stops the fuser heater |
ENWW |
Basic operation |
3 |
Downloaded from www.Manualslib.com manuals search engine
Engine control system
The engine-control system coordinates all the other systems, according to commands from the formatter. The engine-control system contains the following components:
●DC controller PCA
●Low-voltage power supply unit
●High-voltage power supply PCA
●Fuser control
Figure 1-2 Engine control system
Engine control system
Laser scanner system
DC controller
Image-formation system
Low-voltage power supply
Formatter
High-voltage power supply |
Pickup, feed and delivery |
|
system |
||
|
||
|
|
Fuser control
Accessory
4 |
Chapter 1 Theory of operation |
ENWW |
Downloaded from www.Manualslib.com manuals search engine