HP LASERJET ENTERPRISE M855 - Page 11

Stacker unit basic operation ........................................................... 165
Stacker unit electrical security ........................................................ 165
Booklet maker unit basic operation ................................................ 167
Booklet maker unit electrical circuitry ............................................. 168
Feed drive system .......................................................................... 168
Booklet maker paper delivery path .................................................................. 174
Booklet maker basic operation ........................................................................ 175
Booklet maker control of the inlet flappers ...................................................... 178
Booklet maker control of paper movement ..................................................... 181
Booklet maker alignment of paper .................................................................. 183
Booklet maker control of the crescent roller .................................................... 186
Booklet maker folding ...................................................................................... 187
Booklet maker fold the stack .......................................................... 188
Booklet maker double folding a stack ............................................. 190
Booklet maker intermediate-process-tray assembly ....................................... 192
Stack job offset ............................................................................... 192
Booklet maker staple operation ....................................................................... 194
Stapler unit ..................................................................................... 194
Stapling operation ........................................................................... 196
Stitcher (stapler) unit ...................................................................... 200
Booklet maker stack operation ........................................................................ 201
Output bin operation ....................................................................... 201
Shutter operation ............................................................................ 204
Booklet maker paper-delivery path ................................................................. 205
Booklet maker delivery modes ........................................................................ 205
Booklet maker with hole puncher assembly delivery modes ........................... 206
Booklet maker jam detection ........................................................................................... 206
2 Solve problems ............................................................................................................................................. 207
Solve problems checklist .................................................................................................................. 208
Menu map ........................................................................................................................................ 211
Preboot menu options ...................................................................................................................... 212
Current settings pages ..................................................................................................................... 219
Troubleshooting process .................................................................................................................. 220
Determine the problem source ........................................................................................ 220
Troubleshooting flowchart ............................................................................... 220
Power subsystem ............................................................................................................ 221
Power-on checks ............................................................................................. 221
Power-on troubleshooting overview ............................................... 221
Scanning subsystem (M880) ........................................................................................... 222
Control panel checks ....................................................................................................... 222
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